As we know, zoos provide homes _____many endangered animals.
They are in the same school,_________in different classes.A.and B.or C.but
----what’s this in English,Maria ?-----It's ________map.A.a B.an C. The
Li Ping’s mother was angry with him because he spent all he had an MP5.A. to buy B. buying C. bought
Computers are very useful in our lives, but they must properly.A. use B. be using C. be used
— Beibei, is Mr. Chen in the office?— No. He for half an hour.A. left B. has left C. has been away