I always forget some news . I am very upset. and don' t know _______ . A. how to do. B. when to do. C. what to do .
—________ does your sister go to swim?—After school.
They go to _________ at 7:30 in the morning.
—What’s the time?—_________ ten past nine.
________ you can ________ our school concert.
I can’t sing Japanese songs very _____________.