—Why is Mr. Li so happy this morning?

   —Because he was honoured with a(n)______ for excellence in teaching.

   A. present    B. gift                 C. award            D. reward

 —Who______ it be that is knocking at the door?  

   —It ______ be Father, but I’m not sure.

   A. can; must    B. can; may          C. must; can     D. may; must

 He couldn’t ______ the fact that the money was found in his house.

   A. answer for        B. leave for         C. account for   D. care for

 The reason for his success is ______ he worked very hard.

   A. why           B. that        C. whether           D. how

 If you ______ go, at least wait until the rain stops.

  A. can      B. must        C. should           D. would

 The pilot, whether ______ or design, made the plane do a sharp turn.

   A. by accident             B. at times                 C. suddenly          D. all at once

 Lewis was much admired ______ his work on the advanced medical research.

   A. on                B. in                   C. for                 D. with

 In the end I lost my ______ and shouted at her.

   A. character    B. manner     C. benefit             D. patience

The company was named Gates Hall ______ a man named James Gates.

   A. in need of                B. in search of      C. with the help of                D. in memory of

There is a 20-minute parking ______here, so we must get back to the car very quickly.

   A. freedom         B. limit        C. allowance       D. ability