The students couldn't help ______ when they heard the joke.A. to laugh B. laugh C. laughing
Did you hiking ?Yes ,I didA.go B.went C.got
she help cleaned the room yesterday.A.he B.the C.me
Chen jive’s father is engineer.A.a B.an C.the
What's the matter you ,Mike?A.about B.for C.with
How many are there on the desk ? Ten.A.Tomato B.tomatoes C.tomatoes