--- Alice came back home the day before yesterday.
--- Really? Where ______?
| A．has she been | B．had she been |
| C．has she gone | D．had she gone |
The director thought I was referring to her,in fact, I was referring to the men on duty.
| A．when | B．where | C．which | D．while |
With several students , Mr. Smith came into the lab.
| A．follow | B．followed | C．following | D．to follow |
I couldn’t fall asleep. Every night the house as heavy trucks went past.
| A．struck | B．beat | C．hit | D．shook |
While working in the countryside, the students a great deal of knowledge on plant life.
| A．looked up | B．picked up | C．put up | D．called up |
He never goes over what he has learned. I wonder how he to get such a good result in the exam.
| A．tried | B．managed | C．succeeded | D．meant |