问题

How _______ did you do a bird count there?—Twice. [ ]
A: often
B: soon
C: long
D: many times
B: soon
C: long
D: many times
正确答案是:
同类题型
______ people visit the 2010 Shanghai World Expo every day?— About 300,000. [ ]
What do you think of Black Coal, Thin Ice?–It’s a good film., it is not suitable for teenagers.
Mr. Smith is very strict _____us and he is strict_____ his teaching.[ ]
Why does she always ask you for help? —There is no one else ______, is there?