He doesn’t know _________.
A、to do what B、how to do C、what to do
He also _________ some signs asking for old bikes.
A、put down B、put up C、put off
Study hard, _____you will get better grade.
A、or B、and C、because
He pretends _______this thing.
A、not know B、not knowing C、not to know
Tom, your hair is too long. Would you please get your hair ?
A、cut B、to cut C、be cut
I would rather_________the chance than_________her.
A、not to take, to hurt
B、not take, hurt
C、not taking, hurting