---Someone called you just now.
---I know. But I was busy then. When I called back, there was no .
A. result B. answer C. sound D. voice
weather it is today!
A. What a cold B. How a cold
C. What cold D. How cold
Yesterday I took Tom’s schoolbag .
A. in mistake B. by mistake
C. with mistake D. for mistake
We should do what we can our environment.
A. protect B. be protected
C. protected D. to protect
I don’t think he is an honest boy, ?
A. do I B. isn’t he
C. is he D. don’t I
Waste paper shouldn’t everywhere. We must keep our school clean.
A. have thrown B. throw
C. be thrown D. be throwing
