His sister is a nurse ______ a hospital. [ ]

Our holiday in Beijing cost a lot of money.—Did it? Well, that doesn’t matter ______ you enjoyed yourselves

_______ of them has a dictionary and they can look up words in it.

I’ll make some dumplings for dinner.–Great! Let me help you _______ the meat.

What do you think of the lecture of Li Yang’s Crazy English?-I think it’s , but someone thinks it’s much too .