问题

In ____ accident _____ knowledge of first aid can make_____ real difference.
A:the a the
B:an a a
C:an the 不填
D:a a 不填
B:an a a
C:an the 不填
D:a a 不填
正确答案是:
同类题型
_________ we do, we must be _________.
Please ________ it up and you’ll succeed ________.
The teacher asked us to write _______article about pollution.
___by the beauty of nature, the girl from London decided to spend another two days on the farm.
Mr. Green, what’s your job—______. I’m in No. 1 Middle School.