用括号中所给单词的适当形式完成下面句子

This is the second ________ snow in Shanghai since I came here．(heavy)

用括号中所给单词的适当形式完成下面句子

I was late this morning, so I missed the ________ of the lecture．(begin)

根据句意，用所给词的适当形式填空：

－What do you think of my advice?

－Sorry．I ________(think)of something else．

根据句意，用所给词的适当形式填空：

All the children should ________(treat)well after the earthquake．

根据句意，用所给词的适当形式填空：

He's ________(ever)been to Beijing before, has he?

根据句意，用所给词的适当形式填空：

Jim ________(not be)late in the past．

根据句意，用所给词的适当形式填空：

We Chinese people devote much time to ________(help)rebuild Yushu．

根据句意，用所给词的适当形式填空：

I can't ________(simple)understand what you said．

根据句意，用所给词的适当形式填空：

The man in his ________(forty)is the person who saved that boy．

根据下面句子及所给汉语注释，写出空缺处单词的正确形式。每空只写一词。

By Monday night, 38 of the workers were still ________(困住)underground．