–Do you have some trouble ____ the problem? Do you need some help?--No, thank you. I can make it myself.
#50320
A
solve
B
solving
C
to solve
D
solved
推荐题目
Would you mind _______ the window for me? I feel a little cold.
#50142
A
opening
B
closing
C
to close
D
to open
---Do you know the result of the ______ race?---Yes. The winner is a boy _______ Lin Feng from Class 4.
#50106
A
100-metres,called
B
100-metre,calling
C
100-metre,called
D
100-metres,named
