－What trouble do you have when you learn English?－ __________the grammar in a right way.
#49768
A
Use
B
To use
C
Using
D
To using
推荐题目
The purpose of new inventions is to make life easier, it more difficult.
#48658
A
not make
B
not making
C
not to make
D
do not make
He feels lonely because he has no close friends ____.
#48654
A
to talk
B
to talk with
C
talking
D
talking with