--- Is Jim in the gym by himself?--- No. There is another boy ________ tennis with him.
#49973
A
playing
B
play
C
plays
D
to play
推荐题目
She looks very busy . I want to help her , but I don't know ___________ .
#50250
A
what to do
B
what to do it
C
how to do
D
why to do
