40 .Hoa…………dinner at seven o’clock last night.
A.eat B.ate C.was eating D.to eat
41.The Le family was sleeping when mailman……….
A.come B.came C.was coming D.to come
42. The bike .......... in Japan is USD 100.
A- maked B- make C- making D- made
43. It's difficult .............. all these things.
A- remembered B- remember C- to remember D- remembering
44. Have you finished your homework ..................?
A- yet B- already C- since D- for
45. Color television........................ by John Logie Bard in 1928.
A- was invented B- is invented C- has invented D- invented
46. I don't know how........................ the game.
A- playing B- play C- to playing D- to play
47. Nam wrote the note on the board in order to __ his classmates about the change in schedule.
A. inform B. informs C. informing D. informed
48. My brother _______his homework at seven o'clock last night.
A. does B. did C. has done D. was doing
49. Peter is interested______ Vietnamese history.
A. on B. at C. in D. about
50. We have learnt English______ three years.
A. for B. since C. in D. at