题目内容：

13. I wonder . A. how much cost these shoes B
13. I wonder .
A. how much cost these shoes B. how much these shoes cost
C. how much do these shoes cost D. how much are these shoes cost
14. I bought a pet yesterday, but I do not know how to it.
A. look after B. look up C. look for D. look out
15. Daniel is a careful driver, but he drives of my friends.
A. more carefully B. the most carefully
C. less carefully D. the least carefully

优质解答

C 强调句
A 照顾
C 比较级 根据“but”选C