—Someone is knocking at the door. Is it Ann?
—It _____ be her. She is giving a performance at the theatre now.
| A．may | B．must | C．can’t | D．mustn’t |
The Science Museum interests me a lot. I enjoy __________ there.
| A．going | B．to go | C．goes | D．go |
Zhao Peng likes to eat chocolates but he ________eats them before going to bed, because he thinks it’s not good for his teeth.
| A．always | B．often |
| C．usually | D．hardly ever |
---Let’s do something at the party . What about _________ ?
--- No , I’d like _______
| A．to sing ; to dance | B．to sing ; dancing |
| C．singing ; dancing | D．singing ; to dance |
_______Project Hope, many children have better lives.
| A．Why | B．Because |
| C．Because of | D．From |
It is necessary for him ___________ reading English every morning.
| A．keep | B．to keep |
| C．keeping | D．kept |