Attempting to get home before dark, ___________
| A．Tom’s bike broke down on the way | B．it happened that Tom’s bike hit a car |
| C．a car knocked Tom off his bike | D．Tom knocked into a tree |
______ I had done it I knew I had made a mistake.
| A．Hardly | B．Directly | C．Mostly | D．Nearly |
Elbert Einstein, for ______ life had once been very hard, was successful later in science .
| A．whom | B．whose | C．which | D．his |
You are really very kind. I’ll never forget the you have done to me.
| A．favour | B．deed |
| C．help | D．good |
It was quite a long time I made it out what had happened.
| A．after | B．before | C．when | D．since |
Jane was disappointed that most of the guests
when she at the party.
| A．left; had arrived | B．left; arrived |
| C．had left; had arrived | D．had left; arrived |