30.When you finish your work, don’t forget to put the tools back where they ________.
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A
are
B
will be
C
were
D
had been
推荐题目
---Remember the first time we met, Mary? ---Sure.You ______ in the supermarket.
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A
had shopped
B
have shopped
C
were shopping
D
shopped
—By the way,have you moved into the new house?—Not yet.The walls ________.
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A
were painted
B
are being painted
C
are painted
D
are painting
—Have you got any job offer? —No, I______.
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A
am waiting
B
waited
C
had waited
D
have waited