________ I admit that all these problems are difficult, I don’t agree that they can’t be solved.
| A．Unless | B．While | C．Until | D．Since |
The boy talked his mother ________ buying him a home computer.
| A．of | B．over | C．to | D．into |
When ______ about the secret of his success, Steven Spielberg said that he owes much of his success and happiness ________ his wife and children.
| A．asking; to | B．asked; in | C．asked; to | D．asked; about |
To enjoy the scenery, Sara would spend long hours on the train ______ travel by air.
| A．as to | B．other than | C．instead of | D．rather than |
The audience ______ when they heard the humorous story.
| A．burst into laughing | B．burst out laughter |
| C．burst into laughter | D．burst in laughing |
— What about ______ lecture you attended yesterday?
— To tell the truth, it was too boring．I can’t stand ______ lecture like that．
| A．a; the | B．the; a | C．the; 不填 | D．the; the |