Students must be strict ____ their studies and teachers should be strict _____ their students.
#48202
A
in, at
B
at, with
C
with , in
D
in, with
推荐题目
. ----How do you improve your listening skills, Mary? ----I often do it _______ tapes and English radios.
#47122
A
by hearing
B
in listening to
C
by listening to
D
for listening
