—______ is the ruler? —______ two dollars.
| A．How much;It is | B．How much;They are |
| C．How many;They are | D．How many;It’s |
— Why don’t you buy a new car now?
—________ I don’t have enough money.
| A．Because | B．If | C．Because of | D．As |
I think you won’t pass the coming English exam ______ you work hard from now on.
| A．whenever | B．although | C．if | D．unless |
---Can you think of any_______tips to protect yourselves against crime?
---I have no idea.
| A．safe | B．safety | C．safeless | D．safeties |
Nobody has the right to laugh at others _________ he is right.
| A．until | B．because | C．though | D．If |
Look, there is“u” and “s” in the word university .
| A．an ; an | B．a; an | C．a; a | D．/ ; a |