—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
推荐题目
A new bridge from Zhongshan to Macao in five years.
#44382
A
are built
B
were built
C
have built
D
will be built
---At present, one of the best ways to study is working in groups. ---More chances _______ to students to learn from each other.
#44491
A
offer
B
are offered
C
have offered
D
are offering
Bikes ______ in the 1880s and they ______ traveling around.
#45063
A
were invented; were used as
B
were invented; are used for
C
was invented; was used for
D
invented; are used to
Every year lots of trees _______ to make our country more beautiful.
#45056
A
is planted
B
was planted
C
are planted
D
were planted
Every day, too much water in our school. We should save it.
#44462
A
is wasted
B
wastes
C
was wasted
D
wasted