4. There has been a increase in the number of foreign tourists to Ha Long Bay, Viet Nam. A. signify B. significantly C. significance D. significant 5. Han asked me my mum worked from B. when C. whether home those days. A. where D. what him. 6. He looked so funny; we couldn't help A. laugh at B. to laugh C. laughed D. laughing 7. Virtual Reality aims to give us artificial worlds to outside normal space and time. A. possess B. explore C. support listening to her. C. if D. save 8. She asked the children A. if were they B. whether they are they were D. whether we were 9. The ancient town of Hoi An is a well-known destination for A. travel agents holidaymakers 10. You can use B. tour guides D. event organisers C. to buy tickets and book accommodation on your own. A. online programmes agencies B. tour guides C. travel D. travel apps 11. When I started learning English, my mother taught me how to up new words in the dictionary. A. look B. pick C. go D. copy