----Li Ming, you got a very good grade. How do you learn English so well?
----______ reading English books.
A. with B. for C. by D. in
It ______ me twenty minutes to do my homework yesterday.
A. spent B. took C. cost D. paid
Teenagers should ______ to take care of themselves from a young age.
A. teach B. be teaching C. have taught D. be taught
We need to do some research to the answer.
A. find out B. look out
C. hand out D. take out
----What do you think of my shirt? It ______ cotton.
----It looks comfortable on you.
A. is made in B. is made of C. is made for D. is made by
He used to be silent, ______ ?
A. was he? B. wasn’t he? C. did he? D. didn’t he?
