Joanna is no less hardworking than her twin sister, _______ she failed in the final exam.
| A．but | B．so | C．or | D．and |
—Did you get a ticket?
—No, , but there wasn’t any left.
| A．I tried | B．I tried to | C．I try | D．l try to |
The fridge produced by Haier is high quality and is not expensive either.
| A．in | B．for | C．to | D．of |
You’ll find it hard to get rid of the drug habit you have it.
| A．before | B．once | C．until | D．though |
He is very smart and can be hidden from him.
| A．nothing | B．something | C．everything | D．anything |
As a result of heavy snow, the high-way has been closed up until further ______.
| A．news | B．notice | C．message | D．knowledge |