Many people believe we are heading for environmental disaster _____we radically(彻底地) change the way we live.
| A．but | B．although | C．unless | D．until |
—It will be three months ____ we meet again.
— Then we can keep in touch by email.
| A．since | B．as | C．before | D．after |
— Lucy! See what your uncle has bought for you.
— Oh, what a nice skirt! I ___ he ___ to bring me a gift.
| A．never think; is going | B．never thought; was going |
| C．don’t think; is going | D．shouldn’t think; was going |
Last night he worked until late. _____, he had to walk home in the dark.
| A．In other words | B．In return | C．In my view | D．As a result |
Some people go back to university to ____ more knowledge after having worked for many years.
| A．require | B．inquire | C．acquire | D．request |
Isn’t it lovely to think that I ____ on the beach in the sun at this time tomorrow?
| A．will lie | B．am lying | C．will be lying | D．shall lie |