(A )3.Mr.Brown guided mea lot in science. A.to do,better B.do,best C.doing,better D.did,good (C )4.I can't believe how fast the time A.go by B.went on C.went by D.go on 导航页导航页 ( )3.Mr.Brown guided me a lot in science. A. to do,better B. do,best C. doing,better D. did,good ( )4.I can’t believe how fast the time ! A. go by B. went on C. went by D. go on A C