how about你认为…怎样； what about怎么样； all about到处，各处； about us关于我们 do about处理；应付；就某事采取行动或措施； go about v. 着手做；四...
when的用法四种句型be doing sth…when；be about to do sth…when；hardly…when；had just done…when。 1、be doing sth…when… 例He was still smiling when ...
