英语填空和选择题,（最好有解释）

英语填空和选择题,（最好有解释）
1.When my flight I____ in Shanghai,it was already ten o’clock in the evening.
2.The students f____ the teacher into the classroom.
3.We kept silent w____ our son was doing his homework.
4.He doesn’t know much about this city because he is a____ here.
5.What were you doing____ your math teacher came into the classroom?
A.when B.while C.and D.but
6.Martin sings as____ as his sister does.
A.better B.best C.good D.well
7.The girl is too shy to speak____ the whole class.
A.in front B.in the front C.behind D.above
8.---Did you say that Miss Green would come to see me?
---It’s strange.I’ve never____ her before.
A.heard about B.looked after C.listened to D.heard from