Cindys grandmother is learning ( ) the new mobile phone.
My father asks me ( ) in the street. Its dangerous.
not to play
not play
not playing
dont play
When I was walking past the window, I noticed Wang Fei ( ) my homework. I was really ( ).
copying; annoyed
copying; annoying
copy; annoyed
copied; annoyed
Its necessary for you ( ) the classroom clean, class.
keep
keeping
to keep
be keeping
I will try my best to stop myself from ( ) the sasme mistake.