题目内容

--When did you become a volunteer for the elderly?
-- Two years ago. I ______ this group since then.
A．joinedB．took part inC．have joinedD．have been in
D
由“since then”可知，此句时态为现在完成时，故排除AB，又因为join为非延续性动词不可与现在完成时连用，排除C，故选D
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相关题目
There will _________ robots in people’s homes.
A．beB．areC．haveD．has
---What is the boy doing?
---He _____________ happily.
A swims    B swam    C has swum    D is swimming
Look! The girl ________in the classroom.
A．dancesB．dancingC．is dancingD．dance
——Why is the classroom so dirty?
——Sorry, Sir. It _____ yesterday. We forgot to do it.
A．doesn’t cleanB．didn’t cleanC．isn’t cleanedD．wasn’t cleaned
It’s two and a half weeks since the exchange students __________ Wuxi.
A．arrivedB．reachedC．have been inD．have arrived in
用所给动词的适当形式填空
小题1:Look, there are so many people over there. What ____(happen)?
小题2:It’s seven in the morning. It’s time for us ____(go) to school.
小题3:Look at the clouds in the sky. I think it ____(rain).
小题4:___(be) everyone here?  Yes, Let’s ___(start) now.
小题5:He ___(be) be fifty years old next month. But he ___(look) so young.
小题6:Teachers’ Day ___(come) . And we ___(plan) to buy some flowers for Mrs. Li.
小题7:My mother usually ____(shop) for food on Sundays.
-–Hello! This is Henry speaking. I’d like to speak to your father.
---Sorry, he has _______ Shanghai.
A．been inB．been toC．gone toD．come to
--Did you borrow the book from the library ?
---Yes. I _______ it for three days. I’ll return it this afternoon.
A．borrowedB．keptC．have borrowedD．have kept

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