根据句意及汉语提示，在下列各句空缺处写出各单词的正确形式。

The twins are helping their mother do some ________. (购物)

根据句意及汉语提示，在下列各句空缺处写出各单词的正确形式。

This piece is ________ than that one. (便宜)

根据句意及汉语提示，在下列各句空缺处写出各单词的正确形式。

Jim is ________ late for school. (从来不)

根据句意及汉语提示，在下列各句空缺处写出各单词的正确形式。

The farmers are growing ________.(蔬菜)

根据句意及汉语提示，在下列各句空缺处写出各单词的正确形式。

________ a lot of fruit is good for your health.(吃)

用所给动词的适当形式填空

Why not ________ (go) sightseeing (游览) tomorrow?

根据所给的中文意思完成下列句子

The policeman watched him ________ drugs to some young people. (卖)

根据所给的中文意思完成下列句子

I can never forget that ________ day.(重要的)

根据所给的中文意思完成下列句子

We can't ________ others' example completely. (照搬)

根据所给的中文意思完成下列句子

Edison made a lot of ________ in his life. (发明)