问题

Henry doesn’t seem to be what he was, does he?— No. ________ so much in the war has made him more thoughtful.[ ]

A: Seen
B: His seeing
C: Having seen
D: To have seen

正确答案是：

同类题型

I’m sorry I ________ my exercise book at home this morning.—It doesn’t matter. Don’t forget ________ it here this afternoon.

The present system no longer meets the changing needs of our customers; we have to make a (n) management system.

Which________you rather_________，tea or coffee

Daily Mail of November 25th reported that American astronomers （天文学家）______aplanet that was most similar to the earth.

He was nearly drowned once.— When was _____— _____was in 1998 when he was in middle school.