--What’s 531 ________200? --It’s 731.A. pluses. B. minus C. plus
I walked ____ Mike’s home in the morning. A. for B. to C. in
John went to the park ____ bike yesterday. A. with B. by C. on
—What are you doing now ? —I am ____ pictures. A. draw B. drawing C. drew
ZhangPeng ____ his homework now. A. did B. does C. is doing
I was very grateful ____ the dog. A. with B. for C. to