A small car is big enough for a family of three ______ you need more space for baggage.
A.once | B.in case | C.if | D.unless |
Not until all the fish died in the river ____________ how serious the pollution was.
A.did the villagers realize |
B.the villagers realize |
C.the villagers did realize |
D.didn’t the villagers realize |
If he ___________ my advice then, he would not be in trouble now.
A.should take | B.took |
C.could take | D.had taken |
It doesn’t matter ___________ you turn right or left at the crossing — both roads lead to the park.
A.whether | B.how |
C.if | D.when |
It was in the school __________ he had studied ___________ he began the important experiment.
A.that; where | B.in which; which |
C.where; that | D.where; in which |
I felt somewhat sad and was about to leave _________ something happened which drew my attention.
A.unless | B.until |
C.when | D.while |