These young trees must .
#44857
A
look after well
B
be well looked after
C
take good care of
D
be taken good care
推荐题目
Food safety is important. Rules must ________ stop people from food pollution.
#44443
A
be made
B
be made to
C
make
D
make to
It is reported that more schools in Nanjing next year.
#44666
A
will be built
B
were built
C
have built
D
will build
– Will you go to Mr. Wang’s party? – I will if I ________.
#44574
A
am invited
B
have invited
C
will be invited
D
am inviting
--When _____ the abacus _____? -- In the sixth century by the Chinese people.
#44867
A
is, invented
B
did, invent
C
was, invented
D
does, invent