When we were children we were told that the moon()round the earth.

When the ceremony （典礼)was 24_,we threw! our caps in the air, and we were officially grad

We were all there when the accident occurred

We were all there when the accident 【occurred】.A.

When we were students we often stay up all night.

When we heard of it we were deeply _________.A m

We were all surprised when he made it clear thathe