(   )41. —What’s wrong with my son?

—______Serious, it’s only a cold.

A. Something     B. Nothing       C. Anything      D. Somewhere

(   ) 42. My brother is an active boy, he often risks _____ mountain with his friends.

A. climb         B. climbing       C. to climb       D. climbs

(   )43. —The second-hand smoke is even more terrible.

—That’s right. It does great ______ to people around.

A. fun           B. change       C. harm        D. worry

(   )44. —Must I clean all the plates after dinner?

—No, you ______ . But you ______ finish your homework later.

A. mustn’t ; must   B. needn’t ; must  C. can’t ; must   D. needn’t ; may

(   )45. —What’s wrong with your sister?

—She broke the glass and hurt _______.

A. herself        B. yourself      C. her           D. it

(   )46. —_______ is very important in the game.

—That’s right. One player doesn’t make a team.

A. Housework    B. Practice     C. Teamwork     D. Exercise

(   )47. —Jeff, would you mind _____ after drinking?

—Sorry, I won’t do that again.

A. driving        B. not driving    C. not to drive   D. my driving

(   )48. The work of nurses is very important because they _____ the people.

A. give hope to                   B. are angry with

C. are careful of                  D. are sorry to

(   )49. My father came back home ______I was cooking in the kitchen.

A. at         B. but         C. in        D. while

(   )50. —Do I need to take any medicine?

—Yes. _______twice a day.

A. Take two pills             B. Take some pill

C. Bring two pills             D. Bring some pill