----whenareyougoingoffforyourholiday? ----Myplane
問題詳情:
----when are you going off for your holiday?
----My plane ______ at 9:20, so I must be at the airport by 8:20.
A. took off B. has taken off C. is taking off D. would take off
【回答】
C
知識點:現在進行時及其被動式
題型:選擇題
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.已知各項均不為零的數列{an},定義向量.下列命題中真命題是( )A.若∀n∈N*總有cn⊥bn成立,則數...
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