给下列句子选择相应的答语。
⑴What did you do at the weekend? A. There are 16 books.
⑵How much meat do you want? B. No, there aren't.
⑶What's the matter? C. Two kilos, please.
⑷Are there enough chairs? D. Sam took my T-shirt.
⑸How many books are there on the desk? E. We visited lots of places.