. The production of television commercials must be professional ________ they aim at promoting good service, or public education.
A.when | B.no matter | C.if | D.whether |
Shakespeare’s play Hamlet into at least ten different films over the past years.
A.had been made | B.was made |
C.has been made | D.would be made |
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