-----Is it good to look up every new word when I come across it in reading?
-----No. You _______ because you are likely to guess the meaning from the context.
| A．can’t | B．mustn’t | C．don’t have to | D．shouldn’t |
We’ll carry the work through , cost _______ it may .
| A．what | B．when | C．where | D．how |
Persist to the end , _______ you are the only one left.
| A．even if /though | B．but | C．however | D．in spite of |
He always talks _______ he had been to outer space.
| A．like | B．as if /though | C．because of | D．as |
You’d better come back earlier _______ it is getting colder.
| A．as | B．and | C．but | D．or |
He was walking along the sands _______ he saw a big foot-print in the sand .
A. whileB. whenD. asD. after