I ________ a topic for the composition, but haven’t decided yet.A．will think ab
题型：不详难度：来源：
I ________ a topic for the composition, but haven’t decided yet.| A．will think about | B．have been thinking about | | C．had thought about | D．was thought about |
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答案
| B |
解析
试题分析：考查时态：句意：我一直在考虑作文的话题，但是还没有决定呢。从but haven’t decided yet.可知是从过去到现在一直在想，还没有决定，表示动作从过去到现在一直在进行，可能还是要进行下去，用现在完成进行时，选B。 |
举一反三
– Listen! It’s raining.
-- Oh, really? I ________ it at all.| A．didn’t realize | B．don’t realize | C．haven’t realized | D．hadn’t realized |
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It every day so far this month. I can"t tell you if it tomorrow.| A．rained; rains | B．is raining; shall rain | | C．has been raining; rains | D．has rained; will rain |
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He ___________busy yesterday, or he __________you with your experiment.| A．was; had helped | B．was; would have helped | | C．had been; would have helped | D．were; would have helped |
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---You look very tired.
---Well, __________my lessons all the afternoon.| A．I have reviewed my lessons | B．I have been reviewing | | C．I reviewed | D．I had reviewed |
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I won’t tell the student the answer to the math problem until he on it for more than an hour.| A．has been working | B．will have worked | C．will have been working | D．had worked |
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