_____ time, the teacher had us do half of the exercises in class and complete the other half for our homework.
| A．To save | B．Save | C．Saving | D．Having saved |
____the sound of the gun,many people came out, ____to see what was the matter.
| A．Heard,running | B．Heard,run | C．Hearing,run | D．Hearing,running |
John received an invitation to dinner,and with his work___,he gladly accepted it.
| A．finished | B．finishing | C．having finished | D．was finished |
It is no _____arguing with Bill because he will never change his mind.
| A．use | B．help | C．time | D．way |
What kind of mistakes do you want to avoid ____full marks in your test?
| A．to get | B．get | C．getting | D．will get |
_____his being late again,he lost his job and had to stay at home.
| A．Owe to | B．As a result of | C．In case of | D．Because |