—I wonder what makes you a great teacher?
—I _______ as a tutor in my spare time at college, which contributes much to my today’s job.
| A．work | B．have worked |
| C．had worked | D．worked |
The student always asks his teacher __________ questions.
| A．a series of | B．series of |
| C．a great deal of | D．much |
—Was it under the tree __________ you were away talking to a friend?
—Sure. But when I got back there, the bike was gone.
| A．that | B．where | C．which | D．while |
Whatever he explained, he couldn't __________ the policeman that he was innocent.
| A．confirm | B．present | C．convince | D．admit |
Hearing the news, he rushed out, ______ the bookon the table and disappeared into the distance.
| A．left; lain open | B．leaving; lying open |
| C．leaving; lie opened | D．left; lay opened |
__________ go straight on to university, why not get some work experience first?
| A．Rather than | B．More than |
| C．As well as | D．Along with |