.When she came out, Mary looked a bit tired because she _____the house.
A．cleanedB．wasC．had cleanedD．had been cleaning
練習(xí)冊(cè)系列答案
相關(guān)習(xí)題

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

You ought to _______ us with rice and dishes of vegetables, but you didn't.
A．provideB．have givenC．offerD．have served

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題


35．The highest award was given to Anna, who_________so hard on the project for years, and at last her efforts paid off.
A．has workedB．workedC．was workingD．had been working

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題


16．Julia _____ with a stranger when Jim went to the jacket he _____ in the restaurant．
A．had quarreled; leftB．had quarreled; had left
C．was quarreling; has leftD．was quarreling; had left

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題


.When the American constitution ______into effect in ,it didn’t contain any words guaranteeing the basic rights of ordinary citizens.
A went                          B. had gone         C. has gone       D. was going

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題


. Suddenly everyone stopped talking. It became clear that something unexpected _____. But, for a while, I didn’t know what it was.
A．has happenedB．is happeningC．happenedD．had happened

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題


34. It’s reported that in the past 50 years around 80 percent of Beijing’s courtyard houses ______.
A．had wiped outB．have wiped out
C．had been wiped outD．have been wiped out

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題


. Mathematics ______ the language of science.
A．isB．has beenC．a(chǎn)reD．have been

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題


215. All Christians(基督徒) insist that there _______ the Lord(上帝) that ___________everything in the universe.
A．should exist; mastersB．exist; controlsC．exists; mastersD．exists; controls

查看答案和解析>>

同步練習(xí)冊(cè)答案