The key you have just got the front door.
A. is used to opening B. is used to be opened
C. is used to being opened D. is used to open
The expression on her face suggested she was when she heard the news .
A amazing; amazed B. amazed; amazing
C. amazed; amazed D. amazing; amazing
You shouldn’t go out without a coat , it’s rather cold .
A. unless B. even though C. however D. since
When ____ different cultures, we often pay attention only to the differenced without noticing the many similarities.
A. compared B. being compared C. comparing D. having compared
we should exploit the Antarctic’s natural resources is open to discussion. A.What B. Whether C. If D. That
World Wide Web was invented in 1991 by English scientist ,Tim Burners-lee.
A . \; an B. The; an C. The; the D. A; the
