科目: 来源: 题型:013
Students ________ the professor in doing the experiment yesterday.
A. help
B. assist
C. helped
D. assisted
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科目: 来源: 题型:013
We had a lot of ________ in repairing it.
A. anger
B. annoy
C. bother
D. annoying
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科目: 来源: 题型:013
?I've ________ done it.
?Really? I did mine hours ago.
A. already
B. yet
C. just
D. just now
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科目: 来源: 题型:013
There are a lot of ________ lights here.
A. electric
B. electrical
C. electrician
D. electricity
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科目: 来源: 题型:013
________ he fell behind others, but at last he caught up with others.
A. At the start
B. In the end
C. Finally
D. First of all
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科目: 来源: 题型:013
I think mobile phone was ________ after the car.
A. invent
B. invented
C. discover
D. discovered
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科目: 来源: 题型:013
My mother used ________ early.
A. to get up
B. to getting up
C. got up
D. to got up
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科目: 来源: 题型:013
English is used ________ a very useful working language.
A. for
B. as
C. to
D. with
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