从 中获得痛苦的减轻（）
A. get relief from
B. get relief by
C. get relief with
D. get relief in
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
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