Our holidays were ruined by the weather; so ________ have stayed at home!
A. it may be as well
B. it was just as well we
C. we might just as well
D. we might do as well as we
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Helen lacks _________. I’ve never known anyone so unsure of herself.
A. capacity
B. faculty
C. judgment
D. confidence
Ann has a fine reputation for being an old hand ______ cooking Italian food.
A. on
B. at
C. for
D. in
三相变压器绕组为D联结时，绕组相电流乘以 就等于()
A. 线电流
B. 最大电流
C. 相电流
The ants, ________, have their times for play.
A. hardworking as are they
B. as they are hardworking
C. hardworking despite they are
D. hardworking as they are
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