It’s not easy for Chinese students _________ English well.

李老师

It’s not easy for Chinese students _________ English well.
A. to learn
B. learning
C. learned
D. learn
      满分：4  分
2.  It’s cold outside, you'd better _________ your coat.
A. wear
B. dress
C. put on
D. in
      满分：4  分
3.  Harry, who had failed in the final exam, had a great worry ________ his mind.
A. on
B. to
C. with
D. at
      满分：4  分
4.  Operations which left patients _____ and in need of long periods of recovery time now leave them feeling relaxed and comfortable.
A. exhausted
B. abandoned
C. injured
D. deserted
      满分：4  分
5.  Tom ______ better than to ask Harry for help.
A. should have known
B. shouldn't know
C. ought to knew
D. will be known
      满分：4  分
6.  Professor, would you slow down a bit, please? I can't _________