when的用法四种句型

2022-06-04

when的用法四种句型:be doing sth…when;be about to do sth…when;hardly…when;had just done…when。when的句型1.be doing sth…when…例:He was...

when的用法四种句型:be doing sth…when;be about to do sth…when;hardly…when;had just done…when。when的句型1.be doing sth…when…例:He was..... 句型四种用法when