Do you know the man calling? —No. It’s _____ Mr. Smith. Do you accept ______charges?
| A．the; the | B．a; the | C．a; / | D．/; the |
—You _____ a meal this evening. I had dinner at a restaurant with Tom.
—Well, why didn’t you phone me and let me know?
| A．should not cook | B．don’t need to cook |
| C．needn’t have cooked | D．should have cooked |
Water, which seems so simple and common, is _____ makes life possible.
| A．that | B．what | C．which | D．how |
_____ she heard the news that she won a scholarship, she was very excited.
| A．The moment | B．At the moment | C．For the moment | D．A moment |
American President Obama, together with some members of his government, _____ going to visit China next month.
| A．is | B．are | C．were | D．was |
_____ in the iron cage of the zoo, the tiger got quite angry.
| A．To trap | B．Trapping | C．To be trapped | D．Trapped |