Not until all the fish died in the river _____ how serious the pollution was.
A.did the villagers realize |
B.the villagers realized |
C.the villagers did realize |
D.didn't the villagers realize |
The Smiths have gone to New York for their holiday, with an old servant ____ their house.
A.looking after |
B.look after |
C.having looked after |
D.looked after |
I was about to go to bed _____ one of my old classmates made a call to me.
A.that |
B.as |
C.while |
D.when |
Only those ____knew well could be let in.
A.who |
B.which |
C.what |
D.he |
The criminal, as well as some ______ people, was arrested by the police yesterday.
A.relevant |
B.skilled |
C.evil |
D.lucky |
____ with the size of the whole earth, the highest mountain doesn’t seem high at all.
A.To compare |
B.while comparing |
C.It comparing |
D.when compared |