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By around 900 AD,there were many places in Northern Europe______the Vikings chose to live.
| A．in which | B．when | C．which | D．at which |
— 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 |
The coal is sold ____ the ton and buyers can’t pay using credit card, so we have to pay ___ cash.
| A．by; by | B．by; in | C．in ; by | D．in; in |