问题

Tom apologized for______ to inform us of the change in the working plan.

A:his not being able
B:him not to be able
C:his being not able
D:him to be not able

正确答案是：

同类题型

If you don’t know , please come to me.

People who seldom take part in sports or _____ diet is high in fat will gain weight quickly

Tom’s little sister is a girl of great _______. She takes an interest in everything.

The driver has much experience of driving, and _____ he behaved very calmly in the dangerous situation.

27 ______ he did was quite right