It was ______ that caused her to serve dinner an hour later than usual.
| A．us being late | B．our being late |
| C．we were late | D．because we were late |
I left for the office earlier than usual this morning _____ traffic jam.
| A．in line with | B．in case of |
| C．for the sake of | D．at the risk of |
Do you mind if I _____ with my work while you are getting tea ready.
| A．get through | B．turn to | C．carry on | D．come on |
The boy had a _____ escape when he ran across the road in front of the bus.
| A．close | B．short | C．narrow | D．fine |
Keys should never be hidden around the house since thieves _____ know where to look.
| A．virtually | B．variously | C．unavoidably | D．invariably |
The Department is also deeply _____ in various improvement schemes.
| A．connected | B．included | C．involved | D．implied |