问题

book is __ more useful for usstudents—Yes, but it is _ too difficult

A:persuading
B:to persuade
C:persuaded
D:persuade

正确答案是：

同类题型

This is not my carIt _________ one of my friends

It’salready10o’clock. Iwonder howit _________ that she was two hours late on such a short trip.[ ]

What’s that—________.

Sorry indeed I______ to your birthday party if …—Forget it I know you were out on business

My friend Tom _______me __________ for anhour yesterday.