Betty ___________ hard since last term. That’s why her exam results are so good!

A. has worked B. will work C. worked D. was working

A 【解析】句意：自上學(xué)期以來(lái)貝蒂一直努力學(xué)習(xí)。那就是她考試成績(jī)?nèi)绱撕玫脑�因！考查�?dòng)詞時(shí)態(tài)。since last term自從上學(xué)期以來(lái)，表示的是一段時(shí)間；work工作，動(dòng)詞，是持續(xù)性的。根據(jù)句意，結(jié)合句子結(jié)構(gòu)，可知本句是現(xiàn)在完成時(shí)態(tài)，Betty是三單人稱(chēng)，需用has構(gòu)成完成時(shí)，故選A。

In the past few years there ________ great changes in my hometown.

A. had been B. have been

C. were D. are

B 【解析】句意：在過(guò)去的幾年中，在我的家鄉(xiāng)有很大的變化。根據(jù)時(shí)間狀語(yǔ)in the past few years可知此處用現(xiàn)在完成時(shí)，故為have been，故選B。

（2017年四川成都）--Did you hear someone knock at the door just now?

-- Sorry. I ______ to my friend on the phone.

A. was talking B. talked C. am talking

A 【解析】句意：----你剛才聽(tīng)到有人敲門(mén)了嗎？----對(duì)不起。我正通過(guò)電話(huà)和我的朋友聊天呢。A. was talking過(guò)去進(jìn)行時(shí)；B. talked 一般過(guò)去時(shí)；C. am talking現(xiàn)在進(jìn)行時(shí)。根據(jù)語(yǔ)境是“有人敲門(mén)”的那個(gè)時(shí)候，我正通過(guò)電話(huà)和我的朋友聊天；可知用過(guò)去進(jìn)行時(shí)，選A。

The earth is a planet and it around the sun.

A. goes . B. go . C. will go . D. went

A 【解析】句意：地球是一顆行星，它圍繞太陽(yáng)轉(zhuǎn)。考查時(shí)態(tài)辨析。英語(yǔ)中，凡是客觀事實(shí)、客觀真理或諺語(yǔ)，應(yīng)用一般現(xiàn)在時(shí)。因it是第三人稱(chēng)單數(shù)主語(yǔ)，故謂語(yǔ)動(dòng)詞應(yīng)用第三人稱(chēng)單數(shù)形式。故選A。

（2017年安徽）I am surprised at the new look of my hometown, for it _____ a lot over the years.

A. changed B. changes C. will change D. has changed

D 【解析】試題句意：對(duì)我的家鄉(xiāng)的新面貌我感到吃驚，因?yàn)檫@幾年它變化很大。A. changed 改變，過(guò)去式； B. changes第三人稱(chēng)單數(shù)形式； C. will change 一般將來(lái)時(shí)；D. has changed現(xiàn)在完成時(shí)。over the years.指最近幾年即從過(guò)去到現(xiàn)在的幾年，所以用現(xiàn)在完成時(shí)，故選D。

When you________ me last night, I ________the piano.

A. were calling；was playing

B. were calling；played

C. called；played

D. called；was playing

C 【解析】 句意：昨晚你給我打電話(huà)時(shí)，我在彈鋼琴。考查動(dòng)詞時(shí)態(tài)辨析題。when引導(dǎo)時(shí)間狀語(yǔ)從句，表示主句和從句的動(dòng)作同時(shí)發(fā)生。last night昨晚，用于一般過(guò)去時(shí)，排除AB選項(xiàng)；根據(jù)句意結(jié)構(gòu)，可知選C。

（2016 • 湖北省隨州市中考）—Did you watch the football match on TV last night?

—I wanted to, but my father ____________ his favorite TV program.

A. watched B. watches C. was watching D. had watched

A 【解析】句意：---昨晚你看電視上的足球比賽了嗎？---我想看呢，但是我爸爸那會(huì)正在看他最喜歡的電視節(jié)目。此處考查過(guò)去進(jìn)行時(shí)。故選C。

—Hello, John. This is Mike. What are you doing now?

—I'm watching a football match. It started at 7：30pm and________on for another one hour.

A. has been B. was

C. will be

C 【解析】 句意：---你好，約翰。我是邁克。你現(xiàn)在在做什么？----我正在看足球比賽。下午7點(diǎn)30分開(kāi)始，將再比賽一個(gè)小時(shí)。A. has been現(xiàn)在完成時(shí)；B. was 一般過(guò)去時(shí)；C. will be一般將來(lái)時(shí)。another + 基數(shù)詞 + 名詞復(fù)數(shù) = 基數(shù)詞 + more + 名詞復(fù)數(shù)，其意思是“另外/再多少個(gè)...”。for+時(shí)間段，表示做某事做了多長(zhǎng)時(shí)間，根據(jù)語(yǔ)境足球...

（2017年山東泰安）With the development of science and technology, robot cooks ______ in our families in the future.

A. appear B. appeared C. will appear D. is appearing

C 【解析】試題句意：隨著科學(xué)和技術(shù)的發(fā)展，機(jī)器人煮飯機(jī)在未來(lái)將出現(xiàn)在我們的家庭中。A. appear出現(xiàn)，動(dòng)詞原形；B. appeared 動(dòng)詞過(guò)去式； C. will appear 將來(lái)時(shí)態(tài)； D. is appearing現(xiàn)在進(jìn)行時(shí)。根據(jù)時(shí)間，可知用將來(lái)時(shí)，故選C。

A little effort every day，you________ a big difference.

A. makes B. made

C. have made D. will make

D 【解析】 句意：每天努力一點(diǎn)，你將會(huì)有大的不同。根據(jù)句式結(jié)構(gòu)：祈使句+一般將來(lái)時(shí)的主句，A little effort every day名詞短語(yǔ)作為祈使句，故此處用一般將來(lái)時(shí)will make，故選D。