giúp em với ạ và giải thích nữa (em đang cần)
42. At last the severe debate came to __ end.
A. a      B. an       C. the         D. no article
43. In an ___ world, there would be no poverty and disease
A. expensive       B. uninteresting       C. apparent       D. ideal
44. Is it OK if we meet at 9 o’clock? Is the time ___ for you?
A. convenience        B. convenient       C. conveniently       D. inconveniently
45. She was born and grown up in a picturesque fishing village in Ha long Bay.
A. pretty      B. dangerous        C. poor       D. wealthy
46. Will you go ___ a trip to London ____ the summer?
A. for/ at      B. on / in      C. with / for       D. in / during
47. She resumed her career as a tour guide after an interval of sixty years of taking care of her two sons
A. continued      B. ended      C. protect      D. persuade
48. New-born babies must be keep _____
A. warm       B. warmly     C. warmth       D. warming
49. We intend to have a ___ around Europe but our mother prefers visiting Vietnam
A. fourteen days trip     B. fourteen day trip     C. fourteen-day trip     D. trip in fourteen days
50. __is a place where plants and trees are grown for scientific study.
A. A pagoda      B. A botanic garden      C. A resort        D. A pine forest