1 . —Listen! Who is knocking at the door?_______ it be Alice?
—No, Alice has gone to town. It ________be Mary.（may/can）（用适当的词填空）

3 . Most doctors think people’s health_______ (可能) be closely related to their diet. （根据汉语提示单词拼写）

4 . The sugar in soft drinks forms acid and_______ (可能会) attack our teeth for about 20 minutes. （根据汉语提示单词拼写）

5 . This sort of roast meat ________(可能) be a local super food. (根据汉语提示单词拼写)

6 . —Is there a flight to Washington this morning?
—There ________ be. I’ll phone the airport and find it out.(might，could)（选择合适的情态动词填空）

7 . ________(请求)I interact with my audience during the speech?(根据汉语提示单词拼写)

8 . During the reform process, there________(可能) exist some problems which affect the lives of citizens. (根据汉语提示单词拼写)

9 . Her dress________(可能) be too fancy for such a formal occasion. （根据汉语提示单词拼写）

10 . The man likes fantasies, so his ideas ________ (可能) be regarded as strange. (根据汉语提示单词拼写)