Mr. Steve is great to work for ------ I really couldn’t ask for a ______ boss.

   A. better                  B. good                 C. best                  D. still better

 A good friend should be one _______ we’d share everything----happiness and sadness.

   A. with whom         B. from whom                     C. with which        D. from which

 With only 10 minutes left, we couldn’t ______ the airport before our flight took off.

   A. make it to            B. catch up with            C. carry on with            D. set sail for

 Even if it is snowing, many birds still fly out _______ food.

   A. in need of           B. in exchange for         C. in search of             D. in return for

 Gun control is a subject ______ Americans have argued for a long time.

   A. of which             B. with which        C. about which      D. into which

 You can never imagine what great trouble I have had _______ him to stop smoking.

   A. persuading          B. to persuade        C. persuaded          D. persuade

 He ________ no effort to make the plane a success.

    A. wasted                     B. spared               C. spent                D. took

 Scientists say it will be five or six years ____ it is possible to test this medicine on human patients.

    A. since                 B. after                  C. before               D. when

 I shall never forget the days _______ I lived in the country with the famers.

A. that                         B. when                C. which               D. where

 I must apologize ______ you ______ not being able to meet you.

A. to, for                      B. to, to                 C. for, for                     D. for, to