Choose the best answer to complete the following sentences : 21. Would you like __________ to Lan’s house? a. going b. to go c. go d. to going 22. We learn about different countries and their people in _________ class. a. Literature b. Geography c. History d. Sciences 23. In physics class the students do some __________ a. example b. exercises c. experiments d. entertainment 24. Tuan learns to repair household appliances in _________ class a. Physics b. Electonics c. Biology d. History 25. The boys are playing _________ after school. a. skipping b. marbles c. soccer d. maths 26. Mai enjoys _______ tennis. a. to play b. playing c. play d. to playing 27. Ba often _______ stamp. Maybe he is a stamp collector. a. collects b. sells c. buys d. draws 28. ________ do you watch T.V. - I sometimes watch T.V a. When b. How often c. what time d. How far 29 In the USA students ________ school uniform a. wear b. wearing c. don't wear d. not wear 30 You can borrow books from the _______ a. Bookshop b. library c. canteen d. shoes store