My sister has a sweet________and she wants to be a singer.
Do you know where _________ some maps?A、can I buy B、can buy C、I can buy
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