---Alice, you look puzzled, Have you understood it?
---No.I _____another problem just now.
A.l have thought ofB.a(chǎn)m thinking of
C.had thought ofD.was thinking of
D

試題分析:這題考查時(shí)態(tài):句意是:--愛(ài)麗絲,你看起來(lái)很困惑啊,你懂嗎?--不,我剛剛在想其它問(wèn)題。從句意上我們可以看出是剛剛正在想。用過(guò)去進(jìn)行時(shí)。選D。
點(diǎn)評(píng):時(shí)態(tài)題關(guān)鍵是注意時(shí)間,如果沒(méi)有明確時(shí)間的話,要根據(jù)上下文把隱含的時(shí)間找出來(lái)。
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