1. --- Where did you find ______ pen you lost yesterday?

--- Under_______ table beside the window.

  A. the, a           B. the, the        C. /, the          D. the, /

2. --- There is coffee and tea, you can have ______.

  --- Thanks.

  A. either           B. each            C. one             D. it

3. Don’t be afraid of asking for help ______ it is needed.

  A. unless           B. since           C. although        D. when

4. ______ exciting sport it is to climb the mountains!

  A. How              B. What            C. What a          D. What an

5. --- I took care of my grandfather in hospital.

  --- Is that ______ you had a few days off?

  A. what             B. when            C. why             D. where

6. Many old houses around our school will be _______ next year and a large green area will appear.