The captain told the sailors to ___ their sprits when they were on the point of giving up.
| A．keep up | B．pick up | C．take on | D．go on |
If nothing ________，the oceans will turn into fish deserts.
| A．does | B．had been done | C．will do | D．is done |
In my opinion, the man mad, for he wants to live with a flock of Africa lions.
| A．has grown | B．has gone | C．turns | D．became |
This kind of sea fish doesn’t keep easily. You had better put it in the refrigerator so that it will fresh.
| A．stay | B．stand | C．remain | D．persist |
It is reported that the weather will _____ hot for another three or four days.
A.look B. last C stay D. get
Now people can easily an English person from all American in the way he or she talks.
| A．pick | B．tell | C．take | D．judge |