问题

We won’t allow _in the museum. But you are allowed _in the rest room.

A:smoking; smoking
B:smoke; to smoke
C:smoking; to smoke
D:smoke; smoking;

正确答案是：

同类题型

Your things are all over the floor. Please_______________.

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She changed so much that I could hardly _____ her when we met again after a separation of 10 years.[ ]