You don’t look . You’d better go to see the doctor.
Auatar(阿凡达)is such _________ wonderful science fiction movie that I want to see it _________ second time.
—_________ do you have PE lessons?—Three times a week.
You have to leave now _________ you can catch the early bus.
The little elephant is afraid to go alone.He always walks _________ his mother.
—Would you like tea or coffee?—_________ is OK.I really don't mind.