This special strain of rice makes _________ possible to produce one third more of the crop in the same fields.
| A．it | B．them | C．which | D．that |
We ______ the national flag when the sun ____ in the east every morning.
| A．raise; raises | B．rise; rises | C．raise; rises | D．rise; raises |
Jack wasn’t saying anything , but the teacher smiled at him_____he had done something very clever.
| A．as if | B．in case | C．while | D．though |
_____ his accent , he is from the south of China.
| A．Judged by | B．Judged from | C．To be judged by | D．Judging from |
A: I’ve passed the driving test.
B:______!
| A．Congratulations | B．Cheers | C．Good luck | D．Come on |
The party held last night was _______ success; we sang and danced until it came to _____ end at twelve.
| A．/; / | B．a; the | C．the; an | D．a; an |