It is said that the gravity on Mars is only about __________ of the gravity on earth．
| A．three-eighths | B．third-eighth |
| C．three-eighth | D．third-eighth |
Please try your best to finish the work with ______ money and _______ people.
| A．few; little | B．a few; a little |
| C．less; fewer | D．fewer; less |
---I’m sorry I______ my exercise book at home.
---Don’t forget ______it to school tomorrow, please.
| A．left, to bring | B．forgot, to take |
| C．forgot, to bring | D．left, bringing |
Today is Wednesday. He _______ be at home. He _____ be at school.
| A．can’t, can | B．can’t, must |
| C．mustn’t, must | D．mustn’t, can |
The piece of music sounds__________. Let’s enjoy it.
| A．wonderfully | B．well | C．good | D．bad |
The subjects students study in America are different from________in China.
| A．that | B．those | C．it | D．one |