Every few years, the coal workers         their lungs X-rayed to ensure their health.

A. are having       B. have            C. have had           D. had had

 ---Sorry, Professor Smith. I didn't finish the assignment yesterday.

---Oh, you       have done it as yesterday was the deadline.

A. must            B. mustn't          C. should            D. shouldn't

 In ancient times, people rarely travelled long distances and most farmers only travelled              the local market.

   A. longer than      B. more than          C. as much as        D. as far as

 The church tower which       will be open to tourists soon. The work is almost finished.

   A. has restored     B. has been restored    C. is restoring        D. is being restored

 I had great difficulty       the suitable food on the menu in that restaurant.

   A. find            B. found           C. to find             D. finding

 Lucy has a great sense of humor and always keeps her colleagues       with her stories.

   A. amused         B. amusing         C. to amuse           D. to be amused

 you may have, you should gather your courage to face the challenge.

    A. However a serious problem             B. What a serious problem

C. However serious a problem             D. What serious a problem

 the city center, we saw a stone statue of about 10 meters in height.

A. Approaching    B. Approached        C. To approach       D. To be approached

 One reason for her preference for city life is        she can have easy access to places like shops and restaurants.

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

 When changing lanes, a driver should use his turning signal to let other drivers know       .

    A. he is entering which lane             B. which lane he is entering

C. is he entering which lane             D. which lane is he entering