Mark the letter A, B, C, or D to indicate the underlined part that needs correction in each of the following questions. 1. I will leave the party early because I must study for my exam. A. I will leave B. because C. I must D. study 2. I stayed up late last night because I mustn't go to school on Sunday. A. stayed B. late C. mustn't D. on 3. We ought to not play football as it's raining outside. A. ought to not B. as C. it's raining D. outside 4. You mustn't to drive a car if you don't have a driving licence. A. mustn't B. to drive C. if D. don't have 5. If you want some useful advice, you have better talk to your parents about your problem. A. want B. advice C. have better D. about 6. I had stay at home 3 days due to snowing heavily. A. had B. stay C. due to D. snowing 7. Because of his poverty, he has to struggling to make ends meet. A. poverty B. has to C. struggling D. make ends meet 8. According to the rules of this game, you had better not drop the ball. A. According to B. of C. had better not D. drop