问题

______is difficult to______ others.
A:must
B:can’t
C:can
D:mustn’t;
B:can’t
C:can
D:mustn’t;
正确答案是:
同类题型
The service shop ______ him 30 Yuanfor repairing his TV set
Where did your family go______ vacation
Life is like ________ ocean; Only ________strong-willed can reach the other shore.
Where you——I theteacher’s office.
Mr Brown was much disappointed to see the washing machine he had had _____ went wrong again [ ]