Washing hands frequently is one of the effective ways to avoid ________ by diseases.
| A．being infected | B．being injected |
| C．to be affected | D．being involved |
Having fish at meals regularly can be of great _________ to your heart.
| A．benefit | B．help | C．contribution | D．use |
I don’t think highly of this kind of flower — _________, I don’t care for it.
| A．in other words | B．all in all | C．after all | D．in the meantime |
Little Tom easily ________ himself to the American life as he moved to the USA with his parents when he was only three.
| A．suited | B．adapted | C．matched | D．fit |
— I don’t think this TV set is of good quality. Can you replace it with a new one?
— ___________. But I have to talk to my manager first.
| A．I’m sorry | B．No way |
| C．No problem | D．That’s a question |
She was so sad because she failed in the math test. Let’s ______her _______.
| A．leave … behind | B．leave … alone |
| C．leave … aside | D．leave … out |