--- What’s the weather like? --- Pretty hot and wet in the summer, but it _____ be quite cold in the winter. 

Thomas _____ a soldier, for he is much too short.

—You shouldn’t have shouted at your mother. It really hurt her.  —Exactly. I ________ crazy at the time. 

You ________ touch the chemical, or you ________ get burnt.

—The research on the new flu virus vaccine is challenging and demanding. Who do you think can do the job?—________ my students have a try?