_____ very important to have good eating habits.
| A．That’s | B．It’s | C．He’s | D．This is |
There _________a girl singing next door. Can’t you hear her beautiful voice?
| A．must be | B．mustn’t be |
| C．can be | D．can’t be |
—Oh, the room is too dirty, Tony!
—Sorry, Mom. It _____ yesterday. I’ll do it right away.
| A．didn’t clean | B．isn’t cleaned |
| C．was cleaned | D．wasn’t cleaned |
______Gina ________Tara are studying Chinese history and culture now. They find them rich and amazing.
| A．Both; and | B．Not only; but also |
| C．Either; or | D．Neither; nor |
There is _______wrong with my computer and it requires _______.
| A．nothing; to repair | B．something; to be repaired |
| C．nothing; repairing | D．something; to repair |
—How do you like the three comic books, Angel?
— The first one is my favorite, but I like _____ of the others.
| A．all | B．neither | C．none | D．Either |