Without the ‘ greenhouse effect’, the earth ____ be about thirty-three degrees Celsius cooler than it is.
#87137
A
should
B
would
C
will
D
must
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--- Catherine, I have cleaned the room for you.---Thanks. You _______ it. I could manage it myself.
#86641
A
needn’t do
B
needn’t have done
C
mustn’t do
D
shouldn’t have done
If you had arrived half an hour earlier, you _____ the well-known writer in the flesh.
#86881
A
had met
B
would have met
C
would meet
D
could meet