Our teachers are very friendly to us.We________friends since three years ago. A.have been B.have become C.would be
---- I’m going to Sanya for the summer holiday. -- !
They tried several times to the problem, and in the end they succeeded.
The cartoon , Snoopy, is very popular in China.
__ we are young, we can still do something to help protect the environment.
In America when you’re given a present, you can open it . You don’t have to wait.