While you were at the __,I was going to schoolA doctor Bdoctors C doctor's Ddicits'应选什么?

where were you _____we were looking for you everywhere A that B while C at D whereA that B while C at D where what happened while you were _the telephone?a.at b.on c.in d.over __When were you born?__I was born__(in/on/at) the morning of May 7th,1995 What were you doing ______there was a knock at the door?A.while B.until C.when D.after While you were at the __,I was going to schoolA doctor Bdoctors C doctor's Ddicits'应选什么? 这个故事中的一句话不明白We hear of the story of a 12th-century priest,who was kept awake all night while the villagers were singing and dancing in the chruchyard.Next morning at service he should have begun with The Lord be with you as ________?---I was watching TV at home.a. What were you doing when it rained.b. What were you doing while it was raining.c. What did you do while it was raining. at were on we the August Stationer's 15th Were you born_______1990?Yes,I was born______the night_____February 16th,1990.A.in;on;of B.on;in;on C,in;at;in D.on;at;on were you at home yesterday? were you at home yesterday? You were not at home at that If only you were born on August 16th. what were you doing while i was away last week What-------you-------(do) while the others were cleaning the classroom Did you hear someone__door while you __TV last light Yes,I did,I opened the door but found nobodyoutsideAknocking at was watchingBknock at were watching选C,为什么不选A,hear sb do sth 和doing都有啊 Did you hear someone__door while you __TV last light Yes,I did,I opened the door but found nobodyoutsideAknocking at was watchingBknock at were watching为什么不选A选C,hear sb do 和doing 都有啊 were you at home last night?