50.I wonder _______.

A. how much cost these shoes　　　 　　　　　　　 B. how much do these shoes cost

C. how much these shoes cost　　　 　　　　　　　　　　 D. how much are these shoes cost

49.He asked me ____ I sat so still.

　A. where　 　　　　　　 B. how　 　　　　　　　　　　 C. why　 　　　　　　　　　　 D. which

48.He asked me if _____?

A. he train will late　 　　　　　　　　　　　　　　　 B. the train always arrived late

C. the train arrives on time　 　　　　　　　　　　　　 D. the train stops here

46.I want to leave my car. Can you tell me ____near here?

A. if there is a car park　 　　　　　　　　　　　　　　　 B. is there a car park

C. if there is parking 　　　　　　　　　　　　　　　　 D. is there a parking

you tell us ____?

A. who that man is　 　　　　　　　　　　　　　　　　　　 B. who is that man

C. what is that man　　 　　　　　　　　　　　　　　　　 D. Whom that man is

45.She ____ that she lives in London.

　 A. said　　 　　　　　　　 B. says　 　　　　　　　　　　 C. had said　 　　　　　　　　　　 D. was saying

44. Now we have learned ____

　 A. what is heat　 　　 B. whether heat is　 　　 C. when is heat　 　　　　　 D. what heat is

43. He said that he ____us

　 A. will help　 　　　　　 B. would help　 　　　　　 C. is helping　 　　　　　　　 D. helped

42.She said that she ____there for two years.

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

41.The book looks ____it had been out in the rain.

A. that　 　　　　　　　　　 B. whether　 　　　　　　　　 C. as though　 　　　　　　　 D. what

40._____we are doing has never been done before.

A. That　 　　　　　　　　 B. Which　 　　　　　　　　　 C. whether　 　　　　　　　　 D. What