Question

Find the mistakes ( A B C D)

1. School children in the same grade (A) in Vietnamese (B) schools are (C) usually the same old (D) as their class mates

2. An understand (A) of calculus is (B) essential to the study (C) of engineering (D)

3. Laser discs provide (A) images of best quaily (B) than those (C) of either (D) television signals or video tapes

4. Some (A) metals such (B) gold, silver, copper, and tin occur naturally (C), and are easy to work (D)

5. Ozone is an unstable (A), faintly bluish gas that is (B) the most chemical (C) active form of (D) oxygen

Answer 1

Find the mistakes ( A B C D)

1. School children in the same grade (A) in Vietnamese (B) schools are (C) usually the same old =>the same age(D) as their class mates

2. An understand =>a understand(A) of calculus is (B) essential to the study (C) of engineering (D)

3. Laser discs provide (A) images of best quaily =>quailier (B) than those (C) of either (D) television signals or video tapes

4. Some (A) metals such=>like (B) gold, silver, copper, and tin occur naturally (C), and are easy to work (D)

5. Ozone is an unstable (A), faintly bluish gas that is (B) the most chemical (C)=>chemically active form of (D) oxygen

Answer 2

Find the mistakes ( A B C D)

1. School children in the same grade (A) in Vietnamese (B) schools are (C) usually the same old (D) => THE SAME AGE as their class mates

2. An understand (A) => AN UNDERSTANDING of calculus is (B) essential to the study (C) of engineering (D)

3. Laser discs provide (A) images of best quaily (B) => BETTER QUALITY than those (C) of either (D) television signals or video tapes

4. Some (A) metals such (B) => SUCH AS gold, silver, copper, and tin occur naturally (C), and are easy to work (D)

5. Ozone is an unstable (A), faintly bluish gas that is (B) the most chemical (C) => CHEMICALLY active form of (D) oxygen

Answer 3

Find the mistakes ( A B C D)

1. School children in the same grade (A) in Vietnamese (B) schools are (C) usually the same old =>the same age(D) as their class mates

2. An understand =>a understand(A) of calculus is (B) essential to the study (C) of engineering (D)

3. Laser discs provide (A) images of best quaily =>quailier (B) than those (C) of either (D) television signals or video tapes

4. Some (A) metals such=>like (B) gold, silver, copper, and tin occur naturally (C), and are easy to work (D)

5. Ozone is an unstable (A), faintly bluish gas that is (B) the most chemical (C)=>chemically active form of (D) oxygen