Choose the best answer to fill in the blank. 3 “Let's learn’' teaches children to study Maths. It’s an ________ program. A. educational B. entertaining C. popular D. live 4 People in Tokyo are very polite ________ friendly. A. and B. so C. but D. or 5 I had to work on Saturday ________ I couldn't go to John's party. A. so B. but C. because D. and 6 I________ my close friend a cushion for her chair yesterday. A. give B. gave C. given D. gived 7 I________ what teacher ________ in the last lesson. A. didn't understood/ said B. understood/ say C. understand/ say D. didn't understand/ said 8 ‘Let's learn' teaches children to study Maths. It's an ________ program. A. educational B. entertaining C. live D. popular 9 We ________and________ lunch at the cafeteria with them. A. talk/ had B. talked/ have C. talked/ had D. talked/ have giúp mình với mình tim cho (hiện mình cần gấp)