1. How ___________ is the school bag? - 250,000 dong, (many - much - long - far) 2. Some teenagers enjoy (roller skate - roller-skating - roller skates - to roller skate) 3. My neighbor took care _______our cat while we were away on holiday. (of - to - for - on) 4. They _______ a lot of souvenirs for their parents yesterday, (buy - buying - bought - will buy) 5. Minh has a cavity _________he eats too much chocolate and candy, (for - to - because - so) 6. People can explore the ocean floor in a______ (submarine - ship - boat - plane) 7._______ ! The teacher is coming. (Not shout - Don't shout - Aren't shout - Didn't shout) 8._______- your friend at the airport tomorrow? (You will meet – Do you meet - You meet - Will you meet) 9. The post office is the bank and the bookshop, (among- in front - between - next) 10. We didn't to Hoa's birthday party last week, (went - go - going - to go)