高中英语单选题 急

题目

高中英语单选题 急
3. _______ is a good firm of exercise for both young and old.
A. The walk B. Walking C. To walk D. Walk
5. He asked me ______ with me. A. what the matter is
B. what the matter was C. what’s the matter D. what was the matter9. –Sorry to have kept you waiting. –_______ .
A. It’s all right. B. It doesn’t matter C. No worry. D. 12. He has some trouble ______ his classmates, but he has no trouble _______ doing his lessons.
A. with; with B. in; in C. with; in D. in; with
That’s right.
答案及详解
第3题 为什么不选C
第9 ABCD分别什么意思
第5 到底要用陈述语序还是疑问语序
第12 是固定搭配的用法吗

答案

3.B 动名词做主语
5.B 疑问句在从句中用陈述句形式
9.个人认为 ABC都行
12.C have trouble with sb./ have trouble in doing sth.固定搭配