( ) 40. I often see Tom _______ homework while I am watching TV every evening.

　　A. do B. doing C. did D. to do

　　( ) 41. The flowers want _______. Look, the soil is so dry.

　　A. watering B. being watered C. to water D. waters

　　( ) 42. –Be careful! You might fall into the water.

　　--Thank you. I ______ I _______ so close to the pool.

　　A. didn’t know; am standing B. don’t know; am standing

　　C. didn’t know; was standing D. didn’t know; would stand

　　( ) 43. –Excuse me. Where is the sick boy sent here a moment ago?

　　--He ______ by the doctor.

　　A. has been examined B. will be examined

　　C. is examined D. is being examined

　　( ) 44.—Have you got the airplane tickets?

　　--No. when I _______ to the office, all the tickets to Beijing ______ out.

　　A. get; have been sold B. got; had been sold

　　C. got; had sold D. got; were being sold

　　( ) 45. –Your name again? I _______ quite catch it. –Bartholomew Liveli.

　　A. didn’t B. don’t C. couldn’t D. can’t

　　( ) 46. – Whom are you waiting for?

　　--Gary’s parents. But neither of them _______ yet.

　　A. arrived B. has arrived C. are arriving D. is arriving

　　( ) 47. He _______ in bed all day long because he had a headache.

　　A. lie B. lay C. laid D. lied

　　( ) 48. Would you _______ your voice a little so that everyone can hear you?

　　A. rise B. put C. lift D. raise

　　( ) 49. More and more people began to _______ that good health means good wealth.

　　A. learn B. understand C. consider D. realize