1: They are teachers and don’t realize _____ to start and run a company.  
A. what takes it    B. what they took   C. what it takes   D. what takes them  

2: In order to encourage the workers to work hard, the manager decides to award _____ produces the most in the factory.  A. who    B. whom     C. whomever    D. whoever   3: On stepping into the office, the girl was frightened to find that the whole office was fill with _____ looked like tiny worms.  A. that    B. something     C. what      D. anything     4: _______Tom was worried about seemed clearly to the whole family.  
A. That     B. Which      C. That     D. How   5: The teacher usually graded the students on ________they have done.  
A. that     B. what     C. which     D. how    6: We never doubt _____ our school team will win the match against No 3 Mid-school.
A. weather    B. that     C. if      D. what       7: ______ we can find from the following, the number of students dropping out is going down.  
A. what    B. it      C. as      D. what   8: Will you see to _______ you brother is OK at home while we are out on work.  
A. this if      B. it that    C. it weather     D. that weather   9: To those scientists, it still remains to be a question ______ man can go back to the old days with time machine.   A.  if      B. that      C. how     D. weather   10: When woken up, he found he was standing on _____ seemed to be a small piece of rock.
A. that     B. what     C. which    D. it  【答案解析】   1—5: CDCCB   6—10: BCBDB