根据句意，在答题卡标有题号的横线上，写出括号内所给单词的适当形式。 小题1:Do
题型：完形填空
问题：
根据句意，在答题卡标有题号的横线上，写出括号内所给单词的适当形式。
小题1:Don't drink the ____________(pollute) water. It will make you ill.
小题2:It’s said that four ____ (nine) of the books have been sold during the last few days.
小题3:It was a great ______ ( lose ) to us all.
小题4:Because he paid no attention to what the teacher said in class, Mark answered the question______ (correct).