He was observed ________ into the house before the owner came back.
| A．to slip |
| B．slip |
| C．slipping |
| D．slipped |
A good teacher must ______ to his students the importance of a proper learning method.
| A．get through | B．get away | C．get across | D．get over |
I can’t _________ his rudeness anymore, so we began to quarrel.
| A．keep up with | B．come up with | C．put up for | D．put up with |
He was educated at the local high school, ______ he went on to Beijing University.
| A．at which | B．after which | C．in which | D．during which |
_______, and we will do the work better.
| A．Give us more time | B．Given more time |
| C．Giving us more time | D．Having given us more time |
With just four years _______, the Brazil Olympic organizers have promised to deliver an equally inspirational ceremony.
| A．gone | B．to go | C．going | D．go |