Question

麻烦解答一下，五分钟之内解答者加悬赏分，谢谢各位了

1.----Why is the classroom so dirty?
----Sorry,sir. It_____yesterday.We forgot to do it.
A.don't clean B.didn't clean C.weren't cleaned D.wasn't clean
2.We_____to go into the school unless we are in school uniforms.
A.allow B.are allowed C.are not allowed
3.He_____in the classroom just now. He_____be there now.
A.heard to sing,may B.was heard sing,must C.heard sing,must D.was heard to sing,may

4.An English speech_____ to the children tomorrow.
A.is given B.has been given C.will be given
5.Attention ,please! All the mobile phones____during the meeting.
A.must keep off B.have kept off C.are keeping off D.must be kept off
6.English____in many countries,but Chinese_____their own language.
A.is spoken,speaks B.speaks,is spoken C.is spoken,speak D.is spoken is spoken

7.We____to close the windows before we left the lad.
A.tell B.told C.are told D.were told
8.I don't think sixteen-year-olds should_____to go to bars.
A.allow B.be allowing C.be allowed D.not allow
9.Ba Jin,one of the greatest writers in China,_____as"People's Writer".
A.is regarded B.has regarded C.is regarding D.regards

Answer 1

1,D 2,C 3,B 4,C 5,D 6,C 7,D 8,C 9 A
祝你进步~

Answer 2

d. c. d. c. d. c. d. c. a.