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1.Hot metal ___ as it grows cooler.
A.contracts
B.reduces
C.condensesD.compresses
2.They didn't find ___ to prepare for the worst conditions they might meet.
A.worth their while
B.it worthwhile
C.it worth
D.it worthy
3.The television networks believe that the period between 6 and 11p.m. is the ___ television viewing time.A.prime
B.primitive
C.primary
D.principle
4.Attendances at football matches have ___ since the coming of television.
A.dropped in
B.dropped down
C.dropped off
D.dropped out
5.My nephew likes eating very much, but he isn't very ___ about the food he eats.
A.special
B.peculiar
C.unusual
D.particular
