摘要：( ) It’s too to make the children keep quiet. A. difficult B. more difficult C. most difficult D. the most difficult
网址：http://m.1010jiajiao.com/timu3_id_2379025[举报]
It's too ________ to make the children keep quiet.
[ ]
|
A ．difficult |
B ．more difficult |
|
C ．most difficult |
D ．the most difficult |