問題詳情：
根據句意和漢語提示寫出單詞，完成句子
se find out the two main ____________(人物) in this novel after finishing reading it..
2. You can take a __________(徑直的) train to Chendu.
3. Water_______（污染）is one of the most serious problems we are facing now.
4. The aim of this course is to i_________ your spoken English.
5. How to protect the ________________（環境）has been under discussion.
【回答】
acters ct ution ove ronment
知識點：單詞拼寫
題型：單詞拼寫
