The past two years ______a sharp rise in oil price, which adds to the burden of auto transportation industry.
| A．has witnessed | B．witnessed |
| C．is witnessing | D．witnesses |
--- Mary had a traffic accident and has been sent to the hospital. Did you tell her boss about it?
--- Yes, but I _____ her husband first.
| A．should have told | B．shouldn’t have told |
| C．must have told | D．needn’t have told |
Was it in 2002 __________ he was still at middle school __________ the boy became expert at computer?
| A．that; where | B．when; where | C．that; when | D．when; that |
A ______ person always tries to finish the job, no matter how hard it is.
| A．stubborn | B．determined | C．reliable | D．remarkable |
---Look! The telephone is broken. Someone damaged it ________ purpose.
---That may be right. But perhaps it was broken _________ accident.
| A．on; by | B．by; by | C．on; on | D．by; on |
— Oh! Must you? Stay a bit longer, please.
—, but I've got an early start tomorrow.
| A．No problem | B．All right | C．Thanks anyway | D．Never mind |