16. If you go to the movie tonight, so ______ I .
A. will B. do C. am D. can
17. You don’t know about the difficulty I had ______the work then at all.
A. done B. to do C. for doing D. in doing
18. ______ is well-known, the environment in China is badly in need of improvement.
A. It B. That C. As D. What
答案是 A D C
为什么 这么选啊 请讲的 通俗易懂一些 我英语基础差

16. If you go to the movie tonight, so ______ I .
A. will B. do C. am D. can
答案：A
译文：如果你今天晚上去看电影的话，那我也要去。
理由：If引导的条件状语从句用一般现在时表示将来，主句用将来时态。

17. You don’t know about the difficulty I had ______the work then at all.
A. done B. to do C. for doing D. in doing
答案：D
译文：你不知道我当时做那工作有多么得困难。
理由： have difficulty (in)doing sth.做某事上有困难。
18. ______ is well-known, the environment in China is badly in need of improvement.
A. It B. That C. As D. What
答案：C
译文：众所周知，中国的环境极其需要改善。
理由： As 引导的定语从句，指代the environment in China is badly in need of improvement中国的环境极其需要改善。