—hat do you think of genetically modified food (转基因食品)? —We all think ______ is careless ______ some scientists to say it is safe before doing any experiment.
#55807
A
that, for
B
it, for
C
it, of
D
that, of
推荐题目
-- Did you read a book about customs last week?-- Yes, I found ______ very useful to know the customs of foreign countries.
#55792
A
that
B
this
C
it’s
D
it
—Are _______ your friends?—Yes, ____ are.
#55923
A
these, these
B
these, they
C
this, they
D
those, these
— How pleasant is to go fishing with my father! — Yes. Parents and children should spend more time together.
#55763
A
that
B
he
C
this
D
it