The visiting professor         giving lectures to students         invited to meetings at times.
#68773
A
preferred; to being
B
preferred to; rather than
C
preferred; than being
D
preferred; than to being
推荐题目
—Have we ________water?—Yes, ________. We’d better get some.
#71244
A
given out; we have run it out
B
run out of, our water has run out
C
used up; our water has been run out
D
run out; our water has run out