----She looks tired. ----Yes, she _________ for about twelve hours a day. 
#44485
A
works
B
working
C
work
D
is working
推荐题目
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
—How often do I need to feed the fish?-They      food every day, or they will be hungry.
#44530
A
must give
B
mustn’t give
C
mustn’t be give.
D
must be given
A new house ___ at the corner of the road.
#44460
A
is building
B
is being built
C
been built
D
be building
Trees ________ every year to make our city greener.
#44941
A
plant
B
are planted
C
were planted
D
will be planted