10. this is the second time i've visited the stone forest
11. i find it hard to keep up with ( bắt kịp ) my brother on walking holiday
12. dzung is keen on travelling and.....
13. we drove away at full speed and has been everywhere
15 the travel agent gave me the confusing information and i didn't know....
16. i don't speak a word of french
18. my brother is fluent in speaking italian
19. i 'm billingual in english and french perfectly
