Exercise 3: 1. My (A) mother still spends (B) 14 hours a day (C) do (D) the housework 2. She asked why (A) did Mathew look (B) so embarrassed (C) when he saw (D) Carole. 3. The girl whom about (A) we are talking (B) used to be (C) a Miss World (D) 4. Newtonian physics accounts (A) from (B) the observation (C) the orbits (D) of the planets and moons 5. Today was such beautiful day (A) that I couldn’t bring myself (B) to complete (C) all my chores (D) 6. We were (A) advised (B) not drinking (C) the water in (D) the bottle 7. Not until (A) I was on my way (B) to the airport that I realized (C) I had left my passport at home (D) 8. If a person really wants (A) to succeed, they (B) must always work (C) hard (D) 9. The number of wild condors, an endangered species of (A) bird, have been (B) increasing steadily (C) because of (D) the work of scientists and environmentalists. 10. The (A) result of (B) that test must (C) be inform (D) before August