When spring comes, ______(各种各样的) flowers will blossom.
These teaching materials can be __________(改编)for older children.
Mr Smith __________ __________ __________ attend the meeting because he is too busy. (不可能)
I am sorry __________ __________ __________ __________ __________. (对不起,让你久等了)
The houses __________ __________ __________ __________ are on fire. (靠近学校的房子)
Fishermen sailors sometimes __________ __________ __________ __________ __________ in the sea. (声称见过怪物)