He’s _______ to fail the exam if he doesn’t do any revision.
A. linked
B. attached
C. bound
D. fastened
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Two points in this report are especially ________ of notice.
A. worth
B. worthy
C. worthwhile
D. worthless
The situation today is obviously quite different from ________ it was 50 years ago.
A. what
B. when
C. which
D. such
They’ve had to ________ tomorrow’s football match because of the bad weather.
A. supply
B. cancel
C. acquire
D. fulfill
Canada is one of the countries that are rich in natural ________.
A. sources
B. environments
C. origins
D. resources