THE SCIENTISTS HAVE SUCCESS IN FINDING IN VACCINE FOR THAT DISEASE...

42. The scientists have success in finding in vaccine for that disease

a. The scientists have been successful in finding a vaccine for that disease

b. The scientists were finding a vaccine for that disease

c. The scientists were successful with finding a vaccine for that disease

d. The scientists could not find a vaccine for that disease

VI. Đọc đoạn văn sau và chọn câu trả lời phù hợp nhất với các câu hỏi sau.

Mrs. Brown’s old grandfather lived with her and her husband. Every morning he went for a walk in the park and came home at

half past twelve for his lunch.

But one morning a police car stopped outside Mrs. Brown’s house at twelve o’clock, two policemen helped Mr. Brown.

Brown to get out. One of them said to Mrs. Brown: “ The poor old gentlemen lost his way in the park and telephoned us for help,

so we sent a car to bring him home”. Mrs. Brown was very surprised, but she thanked the policemen and they left: “ But

grandfather ”, She then said “ you have been to that park nearly everyday for twenty years. How did you lose your way there?”

The old man smiled, closed one eye and said “ I didn’t quite lose my way, I just got tired and I didn’t want to walk

home.