26、 ______ she couldn’t understand was _____ fewer and fewer students showed interest in her lessons.

A. What; why              B. That ; what             C . What; because        D. Why; that 

25、Have you checked all the goods ______ to the medical workers next week?

A. sent                 B. being sent               C. sending                   D. to be sent 

24、 Henry works as a teacher now, but he ___ on a farm for three years.

A. worked            B. has worked             C. had worked             D. had been working

23、It is wise to have some money_______ for old age.

      A. put away　　　　    B. kept up                     C. given away　　        D. laid up

22、The number of experts invited _______fifty, but a number of them ______absent for different reasons.

      A. were; was　　　      B. was; was                  C. was; were　　         D. were; were

21、The last time I ____ Jane, she ____ cotton in the fields.

A. had seen ; was picking   　　                      B. saw; picked 　　　        

C. had seen; picked 　　　　                           D. saw; was picking

20、－－I had a really good weekend at my uncle's.

－－＿＿＿＿＿．

      A. Oh. that's very nice of you 　　                   B. Congratulations

      C. It's a pleasure 　　　　　　　　                 D. Oh. I'm glad to hear that

19、―It's many years since I saw you last, I      you at all.

―I wouldn't have, either, if someone        you by the name.

       A. didn't recognize; hadn't called               B. didn't recognize; didn't call

       C. haven't recognized; didn't call               D. recognized; had called

18、He failed the mid-term exam and only then ______ how much time he had wasted.

   A. he realized              B. did he realize          

   C. he had realized       D. had he realized

17、After a day’s hard work, he returned home, _______.

   A. hungry and tired      B. felt hungry and tiring

   C. hungry and tiring     D. felt hungry and tire