问题

Where did you get this book?—I picked it up from a second-hand bookshop if you ______ know.

A:must
B:will
C:can
D:shall

正确答案是：

同类题型

Can I ______your dictionary—Sorry，I’m using it.

_______ the salad in the fridge for a while can make it_______ nicer.

Daily”, whose editorial office isin Beijing, also has _______ in all major cities in China

Many people _________ lose one of their senses have made great achievements.

Did you know China is one of the oldest countries in the world—Yes, I did. It’s ________ than the US.