Let’s go and play ________ ping-pong. I don’t want to play __________ violin.A. a; the B. the; aC. \; the D \; \
My parents ask me _______ in order to make me healthy.
—May I use your dictionary, Lily? —Sure, _______.
Sugar tastes sweet. But, _______, it’s bad to eat too much.
You had better ask your brother _______ playing computer games. It’s bad for him.
My mother is ill. I _______ stay at home to take care of her.