Mark the letter A, B, c, or D to indicate the most suitable response to complete each of the following exchanges. -"How often do you go to the library to borrow books?" -“_______”. A. In the afternoon B. Once a week C. It's very far D. I like reading books 14 Tick the letter A, B, c, or D to indicate the most suitable response to complete each of the following exchanges. -"How do you usually go to school?" -“_______” A. Five days a week B. Two kilometres C. On foot D. Half an hour 15 Mark the letter A, B, C, or D to indicate the underlined part that needs correction in each of the following questions. What will your mother does when she comes home from work? A. comes B. will C. does D. from 16 Mark the letter A, B, C, or D to indicate the underlined part that needs correction in each of the following questions. If he finish this work, he can go home late. A. If B. can go C. home D. finish 17 Choose the correct answer A, B, C or D to complete the passage. People need to breathe. If they don’t breathe, they (17) ____________ die. But how clean is the air people breathe? If they breathe (18) ___________ air, they will have breathing problems. Plants and animals need (19) __________ air too. A lot of the things in our lives create harmful gases and (20) _________the air dirty, like cars, motorbikes, and factories. Dirty air is called polluted air. Air pollution can also make our Earth warmer. 17. must are will won’t A. must B. won’t C. are D. will 18 Choose the correct answer A, B, C or D to complete the passage. People need to breathe. If they don’t breathe, they (17) ____________ die. But how clean is the air people breathe? If they breathe (18) ___________ air, they will have breathing problems. Plants and animals need (19) __________ air too. A lot of the things in our lives create harmful gases and (20) _________the air dirty, like cars, motorbikes, and factories. Dirty air is called polluted air. Air pollution can also make our Earth warmer. 18. fresh clean cleaner dirty A. cleaner B. clean C. fresh D. dirty 19 Mark the correct answer A, B, C or D to complete the passage. People need to breathe. If they don’t breathe, they (17) ____________ die. But how clean is the air people breathe? If they breathe (18) ___________ air, they will have breathing problems. Plants and animals need (19) __________ air too. A lot of the things in our lives create harmful gases and (20) _________the air dirty, like cars, motorbikes, and factories. Dirty air is called polluted air. Air pollution can also make our Earth warmer. 19. clean safe dirty polluted A. safe B. polluted C. dirty D. clean