Someone called me up in the middle of the night, but they hung up _____ I could answer the phone.
| A．before | B．as | C．since | D．until |
---Can you lend me two magazines?
---Sorry, but I haven`t got_____ at the moment.
| A．either | B．each | C．any | D．it |
China has been pushing the reform of public hospitals ______ all its citizens.
| A．in charge of | B．for the purpose of |
| C．in honor of | D．for the benefit of |
It is described in her new book, one about sea life, ______this kind of fish lives in the deep sea.
| A．which | B．that | C．what | D．who |
Why do you insist on buying a car _______you have such good public transports here?
| A．because | B．unless | C．when | D．though |
Though he is always thinking much of himself, he ______ be helpful when staying with others.
| A．can | B．must | C．should | D．need |