I would have called you up for help had it been possible, but I your phone number then.
| A．hadn’t had | B．didn’t have | C．shouldn’t have | D．couldn’t have |
Stand _____ you are, and I will come and help you.
| A．while | B．where |
| C．which | D．what |
Keep away from the dog , _______it will bite you.
| A．and | B．so |
| C．or | D．but |
He made up his mind to devote all he could _____ his spoken English before going to college.
| A．to be practicing | B．practicing |
| C．practice | D．to practicing |
We live in a society ______ there is a great deal of debate about competition.
| A．where | B．which |
| C．when | D．that |
The fact ____ ancient Greek civilization had a great influence on Western culture is known to many people.
| A．whether | B．that |
| C．if | D．how |