The doctor _________him taking more exercise and having more green vegetables.
If you still have any other questions, please ____your hand.
— What’s the matter?—I have a stomachache. You ______eat so much next time..
If it________ , I will go to the Central Park with my son this weekend.
---- Is that pen? ----- No, It is eraser.A. a; a B. a; an C. /;an
---What’s on the desk?— There are two .A. pencil B. dictionary C. rulers