– Shall we go out for lunch?
– Don’t disturb me. I ______ the letters all morning and ______ six so far.
A.write; wrote
B.wrote; have written
C.was writing; wrote
D.have been writing; have written
D

試題分析:考查時(shí)態(tài):句意:--我們出去吃午飯?jiān)鯓樱?-別打擾我。我一個(gè)早上都在寫信,已經(jīng)寫了六個(gè)小時(shí)了。第一空是強(qiáng)調(diào)寫信這個(gè)動作過去到現(xiàn)在一直在進(jìn)行,用現(xiàn)在完成進(jìn)行時(shí),第二空強(qiáng)調(diào)結(jié)果,so far和現(xiàn)在完成時(shí)連用。選D。
點(diǎn)評:英語中的時(shí)態(tài)主要由動詞的形式?jīng)Q定,因此在學(xué)習(xí)英語時(shí)態(tài)時(shí),要注意分析動詞形式及具體語境,想象在那個(gè)特定的時(shí)間動作所發(fā)生的背景,這個(gè)動作是經(jīng)常性動作、一般性動作、進(jìn)行性動作、完成性動作還是將要發(fā)生的動作。這題關(guān)鍵是弄清現(xiàn)在完成進(jìn)行時(shí)和現(xiàn)在完成時(shí)的區(qū)別。
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