65. My car broke down yesterday, so I ____ catch a taxi to the office. A. have to
B. had better
C. had to
D. has to
B. should
C. ought to
D. All are correct
67. You ____ tell anyone what I've revealed to you. It's still a secret. A. mustn't
B. had better not
C. ought not to
FI CI A
A. had better
L
66. We ____ eat as much fruit as possible in order to get enough vitamins for our bodies.
D. don't have to
68. If you still want to maintain this relationship, you ____ behave improperly like that. A. ought to not
B. ought not to
C. mustn't
D. don't have to
69. When playing or swimming in the pool, children ____ be accompanied by their parents. A. should
B. must
C. don't have to
D. have to
A. ought to
B. mustn't
C. shouldn't
OF
70. We ____ go to work by car. Sky train is a wise choice during rush hour.
D. have to
Exercise 6. Mark the letter A, B, C, or D to indicate the underlined part that needs correction in each of the following questions. A
B
C
ƠN
71. I will leave the party early because I must studying for my exam. D
A
B
C
NH
72. I stayed up late last night because I mustn't go to school on Sunday. D
73. We ought to not play football as it's raining outside. A
B
C
D
A
QU Y
74. You mustn't to drive a car if you don't have a driving licence. B
C
D
75. If you want some useful advice, you have better talk to your parents about your problem. A
B
C
D
76. I had stay at home 3 days due to snowing heavily. A B
C
D
M
77. Because of his poverty, he has to struggling to make ends meet. A
B
C
D
KÈ
78. According to the rules of this game, you had better not drop the ball. A
B
C
D
79. If you want to get a higher mark in the next test, you have better put more effort into vocabulary. A
B
C
D
Y
80. We shouldn't make an appointment with this doctor. You can see him whenever you want.
DẠ
A
B
C
81. Look at the sky, it is going to rain. Thus, you must bring along a raincoat. A
B
C
D
82. I ought to go home now because I don't want to walk in the dark. English 11
D