1.Don't go out of the classroom until you______.

问题描述:

1.Don't go out of the classroom until you______.
A.are asked B.are asked to C.ask.D,will be asked
2.Sometimes the sofa is used ________ a bed ________him
A.to,for B.for,by.C by,to D.as by
3.i'm thinking about_______
A.what to say
B.how to speak it
C.what can i talk
D.how can I say
c.d肯定不对 ...
4.A rainbow ________ in the sky after the rain
A.was appeared
B.appeared
C.is appeared
D.are appeared

BDAB