The Trojan War ______ by Helen and her beauty.
#44539
A
causes
B
is caused
C
caused
D
was caused
推荐题目
—May we leave classroom now?—No, you        . You        to leave until the bell rings.
#44886
A
mustn’t, are allowed
B
don’t have to, are supposed
C
needn’t, aren’t allowed
D
can’t, aren’t supposed
Teenagers _______ allowed to drive in the street .
#44554
A
should not be
B
should be not
C
not should be
D
shouldn’t
People who drink wine ____________ to drive after May Day.
#44515
A
don’t allow
B
isn’t allowed
C
mustn’t allow
D
mustn’t be allowed
The garden _____ while they were away from here.
#44529
A
took good care of
B
was taken good care
C
was taken good care of
D
was taking good care of
 Personal computers ______ in 1976. It has changed the whole world.
#44711
A
have invented
B
were invented
C
is invented
D
invented