— Millie’s books on the floor, right?
— Yes, they are.
| A．am | B．is | C．are | D．be |
— Jim, what did I say just now?
— Sorry, I ______ of something else.
| A．thought | B．was thinking |
| C．think | D．will think |
The boy looked __________ because he didn’t pass his maths test.
| A．sad | B．sadness | C．saddest | D．sadly |
I think there will be _____ people and ______pollution.
| A．less, fewer | B．less, more |
| C．fewer, less | D．fewer, fewer |
-- Must I do my homework right away?
-- No, you _____. You_____ do it later.
| A．can’t, must | B．needn’t, may |
| C．may not, must | D．mustn’t, can |
They arrived early at the airport, __________they had time to go shopping.
| A．but | B．or | C．so | D．because |