Did you happen to see __black and __ white cat?A the,the B a c / C the / Da the答句是：Are they missing?I have told you to take care of them.

350.What __yesterday evening?A.did you happen B.you happende C.happened to you D.did happen to you What did happen to you the day before yesterday?(改错) 请问“Did you happen to meet that linguist?”怎么翻译? did you happen to met him yesterday?改为被动语态打错了did you happen to meet him yesterday .What __yesterday evening?A.did you happen B.you happende C.happened to you D.did happen to you为什么不能选d, .What __yesterday evening?A.did you happen B.you happende C.happened to you D.did happen to you为什么不能选d ( )Could you tell me-----?A.what happened to him B.what did he happen C.what did he happen to C.C.what he happened 选哪个?为什么? Did you see the accidentthis morning?(happen) -I can't walk any longer,David?-Why?____ A.What happened?B.What did you happen?C.What have you happen?D.What is happened to you? Did you see the game?NO I didn't I ____visit my grandparents at that timeA happened to B was happen C happen to D happened You were late again this morning.Could you tell me()to youwhat happened.did happen.happens.was happening why did it have to happen.why did it all have to end.when i open my eyes,you are gone什么意思? what happen to you?equal to： What last night?A.did happen to her B.did she happen C.was happening D.did she happened Did you know how the accident _______(happen) that afternoon? that 从句的疑问形式.如Did it happen to you that you had been out when he called 中为何用did 看主...that 从句的疑问形式.如Did it happen to you that you had been out when he called 中为何用did 看主句还是从句 What did this happen to me?这是什么意思 1.He asked what（）A.did happen to her B.happened to herC.she happened D.did she happen