You won’t pass the English exam ___________ you study hard.
A. if B. so C. unless
--- Would you like tea or coffee? --___ is OK. I really don’t mind.
| A．None | B．Either |
| C．Neither | D．Both |
—What’s the low-carbon(低碳的) lifestyle like?
—Save___energy, and produce carbon.
| A．more; more | B．less; more |
| C．less; less | D．more; less |
The kidnapping ________ between 9 pm and 11 pm.
| A．took place | B．took the place |
| C．took place of | D．was taken place |
The policeman is still not sure ______ the young man killed himself or not.
| A．if | B．that | C．whether | D．weather |
The work ________ in two hours. Let’s hurry.
| A．must be finish | B．must finish |
| C．will finish | D．must be finished |