30.--Would you please clean the classroom?
-- .
A.Certainly B.Thanks
C.You're welcome D.Here you are
29.It's too noisy, so mother told the children .
A.turn down the radio B.not to make noise
C.to not turn up the radio D.not making noise
28. -- ?
--Size 8.Can I try one on?
A.How much is it B.How many do you want
C.What time is it D.What size do you wear
27.The doctor the crying baby, but he couldn't find out what was wrong with him.
A.looked over B.looked after C.looked for D.looked out
26. -- Look! What's flying the two building?
-- A bird.Oh, no.It's a kite.
A.under B. in C. between D. in the front of