Error recognition
1. Mark went on (A) working (B) despite (C) he felt (D) unwell.
2. Frank is usually swimming (A) before work, (B) but (C) this morning heis jogging.(D)
3. Once when (A) I was (B) ten, I used to get (C) sick and went (D) to the hospital.
4. As soon as (A) the alarm clock had gone off,(B) she woke up (C) and got out of (D)bed.
5. All the (A) children have been returned (B) safe (C) to(D)their parents.
6. I know you are too busy (A) to stay,(B) but I look forward(C) to see (D)you again.
7. I like lying (A) on the beach (B) , so I always spend (C) my holiday to sunbath (D)
8. (A) Agriculture (B) that relies only on direct rainfall (C) are sometimes referred to as (D) dry land farming.
9. According to my professor, Africans (A) need to do intensive farming to (B) produce (C) food enough to (D) feed the people.
10. Agriculture (A) may often cause environmental problems (B) because of it changes (C) natural environments