Choose the letter A, B, C or D to indicate the underlined part that needs correcting in each of the following questions. Exercise 1 1. Mary was determined to leave (A) the office by (B) 4:30 for catching (C) early train home (D). 2. I often look into (A) new words in (B) the dictionary whenever (C) I don’t know their (D) meanings. 3. Even (A) on the most careful (B) prepared trip (C), problems will sometimes (D) develop. 4. The existence (A) of many stars in the sky lead (B) us to suspect that there may be (C) life on another (D) planet. 5. It is believed (A) that in the near future (B) robots will be used to doing (C) things such as (D) cooking. 6. My father used to give (A) me a good advice (B) whenever (C) I had a problem (D). 7. The teacher asked him why (A) hadn’t he done (B) his homework, but (C) he said nothing (D). 8. Although his family is (A) poor, but (B) he studies (C) very well (D). 9. The package (A) must be wrapped (B) carefully before (C) it is post (D). 10. I am (A) very interesting (B) in problems caused (C) by pollution (D). Exercise 2 1. No one would have attended (A) the lecture if you told (B) the truth about (C) the guest speaker (D). 2. Because (A) his sickness (B), he didn’t take (C) part in the English competition (D). 3. A galaxy, where (A) may include billions of(B) stars, is (C) held together (D) by gravitation attraction. 4. The tongue is the principal (A) organ of taste (B), and is (C) crucial for chewing, swallowed (D), and speaking. 5. Each of the members(A) of the group were (B) made to write (C) a report every week (D).