小升初英语总复习：常见易错题型解析（二）(15)

　　C It was not until midnight D That was not until midnight

　　解析：该题答案为C。强调until结构时，要将否定词not移到until前。又如：He didn't leave until twelve 改为It was not until twelve that he left.

　　169. There are a lot of students ____ in the class room.

　　A talk B talking C talked D to talk

　　解析：该题正确答案为B。 There be句型为倒装句，可换为A lot of students are talking in the class room. 又如：There is a lot of noise heard out in the street.

　　170. While ____my homework, I heard a cry for help.

　　A do B did C doing D having done

　　解析：该题答案为C。该空处省略了I'm,相当于while I'm doing my home work.如：While playing guitar, he is singing.

　　171. The bus ____C__ on the road for 2 hours so far.

　　A. has stopped B. stopped C. has been

　　Are you __A___ the jacket these days? A. wearing B. putting on C. dressing D. on

　　He __C______ foe 2 hours. A. got up B. has got up C. has been up