21.【2012届河北省普通高考模拟】
----Alice，shall we go for_______walk by_______lake? ------Sounds good．
A. a：a B.不填；a C.不填；the D. a；the
---It couldn’t have been _____. I just stayed in the hotel because it was raining most of the time.
A. boring B. more boring C. most boring D. less boring
