Safety in school has been of great concern (关注) because of recent reports about accidents _____ students got injured or killed at school.
#69660
A
for which
B
when
C
which
D
in which
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My parents kept their _____and took me to Shanghai, where we had ____.
#69201
A
word, funs
B
words, fun
C
word, fun
D
words, funs
In an experiment, pet owners are being encouraged to take their pets to work, a move _______ can be good for both the people and the pets.
#74659
A
that some scientists say
B
in which some scientists say
C
some scientists say that
D
some scientists say
We want such materials ________ can bear high temperature and pressure.
#72373
A
that
B
as
C
what
D
which
_____by a greater demand for vegetables, farmers have built more green houses.
#68282
A
Driven
B
Being driven
C
to drive
D
Having driven