After driving for about an hour, he found himself lost in the middle of nowhere, so he stopped his car to ________ his map.
| A．recognize | B．observe |
| C．explore | D．consult |
_______ you have got used to it , you’ll like it .
| A．While | B．On the condition | C．Once | D．Unless |
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 |