English is spoken ____ a second language in many countries. Many Chinese learn it ____ different ways. 
#48818
A
to, for
B
by, as
C
as, in
D
for, by
推荐题目
Some robots are ______ to do the same things ______ people.
#49651
A
enough smart, as
B
enough smart, with
C
smart enough, as
D
smart enough, for
––Tom is ill. He is              now. –– I’m sorry to hear that. Let’s go to            to see him.
#50916
A
in the hospital; a hospital
B
in hospital; a hospital
C
in the hospital; the hospital
D
in hospital; the hospital