—Listen ! Helen is singing in the next room.
It ____ be Helen. She has gone to Beijing.
| A．can’t | B．mustn’t | C．may | D．neen`t |
Have you _____ the English books.
A. get B. got C. gets
Will you _____ me?
A. help B. helped C. helps
What are you going to ____ this evening?
A. do B. did C. does
I _____ in the sky now.
A. is flying B. am flying C. flew
My friend ______ a birthday present for me last Sunday.
A. buy B. buys C. bought