做 的方法（）
A. the approach of doing sth
B. the approach to doing sth
C. ways to do sth
D. ways of doing sth
E. with the method of doing sth
F. by means of doing sth
示意某人去做某事（）
A. sign sb to do sth
B. sign to sb to do sth
C. sign for sb to do sth
D. sign to sb with sth
小心，注意，特别留心（）
A. watch out with
B. watch out by
C. watch out for
D. watch out in
掌握/精通英语（）
A. have good grasp of English
B. grasp English very good
C. have a good grasp of English
D. make a good grasp of English
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