用括号里的单词的正确形式填空。

Each of the students ________(have)a dictionary．

用括号里的单词的正确形式填空。

Large quantities of milk ________(be)needed in the city．

用括号里的单词的正确形式填空。

Bread and butter ________(be)served for breakfast in the restaurant．

用括号里的单词的正确形式填空。

Serving the people ________(be)my great happiness．

用括号里的单词的正确形式填空。

Great changes ________(take)place in our school in the past few years．

用括号里的单词的正确形式填空。

While 25 minutes ________(be)spent on sports, only 12 minutes ________(go)into housework．

用括号里的单词的正确形式填空。

75 percent of the students surveyed ________(be)suffering from the lack of sleep．

请同学们注意观察下面句子中谓语动词形式的变化。

Physics ________(be)of great importance for the development of science．

请同学们注意观察下面句子中谓语动词形式的变化。

This pair of glasses ________(cost)me quite some money．

请同学们注意观察下面句子中谓语动词形式的变化。

Mr．Wang, together with his wife, ________(have)gone to Wuhan．