His grandparents ________ at home on weekends.
#43722
A
are .all
B
are both
C
all are
D
both are.
推荐题目
Large quantities of polluted water_____ into the sea so that lots of fish died.
#86296
A
is flowing
B
was flowing
C
are flowing
D
were flowing
As we all know, smoking ___________ people’s health.
#85724
A
is harmful to
B
do harm fo
C
does harmful to
D
harm
_________ a sports meeting in our school this Friday afternoon.
#43788
A
There is going to be
B
There will have
C
There are going to be
D
There is going to have
The number of children who___________ both parents to Aids ________ also expected to rise, reaching more than 26 million in 2010.
#85626
A
has lost; is
B
have lost; are
C
has lost; are
D
have lost; is
While building a tunnel through the mountain, _______.
#86096
A
an underground lake was discovered
B
there was an underground lake discovered
C
a lake was discovered underground
D
the workers discovered an underground lake