You can see the stars on a clear night, but in the daytime they are __________.
| A．unbelievable | B．invisible | C．inaccessible | D．unavailable |
It is reported that there is still possibility _______ the bad weather will continue.
A. A. what B.that C. when D. whether
Japan’s first lady said Wednesday she would not marry Premier Naoto Kan again in life.
| A．other | B．others | C．the other | D．another |
________ will it take to see the Chinese Dream come true for our children and grandchildren?
| A．What | B．When | C．Why | D．How |
It was about 5 o’clock in the afternoon _______ they had their supper.
| A．that | B．what | C．before | D．when |
_______ that he might lose his job, Peter always works extra hours to please his boss.
| A．Worrying | B．Having worried | C．Having been worried | D．Worried |