问题

He was such good speaker that he held our attention every minute of three-hour lecture.

A:/; the
B:a; /
C:a; the
D:a; a;

正确答案是：

同类题型

being fun and good exercise，swimming is a very useful skill

His computer, which cost him a sum of money several weeks ago, is out of order and wants _______, though it looks very new.

Better _____ all the lights are turned offbefore you leave the classroom

I hear Mario never tells a lie.—That’s right. He is an boy.

Tom’s mother is Jenny White. We call her ______ .