问题
单项选择题
Which of the following is not correct? ()
A.It is useless to complain.
B.It is useless complaining.
C.Complaining is useless.
D.It is useless of complaining.
答案
参考答案:D
Which of the following is not correct? ()
A.It is useless to complain.
B.It is useless complaining.
C.Complaining is useless.
D.It is useless of complaining.
参考答案:D