答案：发展。
A. It turned up
B. It turned out
C. It turned on
D. It turned over
解析：解析:turn up: 露面, 来到 We arranged to meet at the cinema at 7: 30, but he failed to turn up.解析:turn out: turn out to be sb./sth.; turn out that…证明是某人(某物),原来是┄┄解析:She turned out to be a friend of my sister./ It turned out that she was a friend of my sister.解析:turn on 开灯解析:turn (sb./sth.) over: 翻身或翻转解析:She turned over and went to sleep.她转过身就睡着了。
A. discovered
B. invented
C. innovated
D. found
A. was almost hurt
B. was to hurt himself
C. was hurt himself
D. was hurting himself
A. must
B. have to
C. should
D. ought to
A. one of the flattest
B. the flattest
C. as flatter as
D. flattest of the
A. have shut up
B. had shut up
C. have been shut up
D. had been shut up
A. more
B. less
C. little
D. least
解析：解析:有than,肯定是比较级。
解析：解析:
