. You must do your homework now; you ______ computer games all the evening.
A．have been playingB．play
C．a(chǎn)re playingD．played
A
考查時態(tài)。句意：你現(xiàn)在必須做作業(yè)；你整個晚上都在玩電腦游戲。結(jié)合語境可知下文描述的是現(xiàn)在已經(jīng)完成的過去一直在進(jìn)行的動作。故用完成進(jìn)行時態(tài)，選A。
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