当你想问“多少钱”时,应该说__________A. How much is it? B. How old are you?C. How are you?
Do you know how________a kite? A.make B.to make C.making
We should ________ quiet in class. A.be B.to be C.being
There are many wild animals________in the world. A.live B.lives C.living
We waste too________ water. A.any B.many C.much
________ you want to keep our planet beautiful? A.Not B.Don'tC.Can't