Can you tell me how ________ the problem ?
#53621
A
did solve
B
to solve
C
solving
D
solved
推荐题目
-Will she ________ go with you?  –Well, I’m not sure.      
#58653
A
can
B
is able to
C
are able to
D
be able to
Mum ________ clothes, so I have to look after my younger sister.
#54056
A
washes
B
is washing
C
washed
D
was washing
—Miss Green, could you tell me how to improve my pronunciation?—Sure. The most important thing is that you should _________.
#60443
A
do more exercise
B
use the dictionary correctly
C
listen and speak more
D
work out some outlines first