Hearing the dog barking fiercely, away ______.
| A．fleeing the thief | B．was fleeing the thief |
| C．the thief was fleeing | D．fled the thief |
_____he had not hurt his leg, John would have won the race.
| A．If | B．Since | C．Though | D．When |
I won’t call you, ________ something unexpected happens.
| A．unless | B．whether | C．because | D．while |
The manager suggested an earlier date _______ the meeting.
| A．on | B．for | C．about | D．with |
Leaves are found on all kinds of trees, but they differ greatly ________ size and shape.
| A．on | B．from | C．by | D．in |
I have offered to point the house _____a week’s accommodation.
| A．in exchange for | B．with regard to |
| C．by means of | D．in place of |