1.是have problem (in) doing sth.还是have problems (in) doing sth.
题目
1.是have problem (in) doing sth.还是have problems (in) doing sth.
这里的problem可不可以加s
2.如果是很困难的话problem前加什么?
答案
have problem (in) doing sth
It is such a difficult problem.
举一反三
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
最新试题
热门考点