We didn't go home ______ the old man was sent to the hospital. A. until B. when C. while
Tom is fat. The doctor asks him to ________ and ________.
Wang Dong is a good boy, he __________ for school.
A: ________ do you go to visit your grandparents? B: Less than three times a month.
There isn’t ______ juice in the fridge. Would you like ______ coffee?
Chinese people usually enjoy the moon______ the evening____ the Mid-Autumn Festival.