He asked several questions_______ the professor who gave us a lecture_______the balance of nature.
#28333
A
with; for
B
from; of
C
to; about
D
of; on
推荐题目
To be well-informed, we should be _____ communication each other what happens to us.
#28683
A
on, for, about
B
in, for, for
C
with, by, at
D
in, with, about
This means that for the first time doctors may be able to tell if an infected（被感染的）person who feels well is ________ becoming ill, so that they can try to do something to prevent this.
#26360
A
in case of
B
in danger of
C
in terms of
D
in charge of
It is said ______ vegetables and fruits are good to our health, apples and pears _________.
#26077
A
that, including
B
what, including
C
that, included
D
what, included
The last time we had a family reunion was ________ my brother’s wedding ceremony four years ago.
#26076
A
over
B
at
C
on
D
in
The production of cars of this company has increased ______ 300, 000 a year, but the sales of new cars have fallen ______ 20 percent this year.
#25578
A
to; with
B
to; by
C
in; to
D
in; by