It is generally considered that the key ______a foreign language well is nothing      but practice. 
#97105
A
o learning
B
o learn 
C
f learning
D
or learning
推荐题目
Can you see a man __________ there _________ at you now?
#97482
A
sit; look
B
sat; looking
C
seated; looking
D
seated; look
Now we could not do anything but _______ for him here.
#93271
A
waited
B
waiting
C
to wait
D
wait