问题
Are these _______ all from No. 2 Middle School — Yes. They often _________ their free time to help the old here.
A:for
B:as
C:to
D:at;
B:as
C:to
D:at;
正确答案是：
同类题型
_______ do you like music—Because my favoritesubject is music.
Not until the stinthe end _______ back to their normal position.
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MrJohn was so humorous that we had a good laugh ______ the meal
Excuse me, is this seat taken—_______ . That man got his books and left a few minutes ago.