I. Choose the option that best completes each of the following sentences. 1. Nuclear power is not popular __________ it can be very dangerous. A. and B. so C. because 2. In the future, holiday-makers __________ in undersea hotels. A. will stay B. are staying C. stay 3. __________ does this book cost? Is it expensive? A. How fast B. How much C. How far 4. Jack doesn’t have __________ to buy new lights for his house. A. enough money B. so much money C. little money 5. Volunteer students hope to __________ $500 to help the old lady. A. spend B. benefit C. raise 6. The students at our school are __________ clothes and stationary to poor children in the flooded provinces. A. buying B. donating C. delivering 7. Fossil fuels are efficient __________ there won't be enough of them for the future. A. and B. but C. so 8. Overpopulation has negative __________ on the environment. A. causes B. problems C. effects 9. To prepare for the presentation, we can __________ information online. A. look B. find C. take 10. We can’t go this way. It is a __________ street. A. one-way B. one-routine C. one-direction