2) is traveling.
3) are going to.
5) are playing.
7) is taking.
10) is using.
11) toda a frase: Are you doing your homework now?
11)b) Yes, I am.
12) is carrying me.
13) toda a frase: People are always buying new mobile phones.
15) toda a frase: Are you still watching TV?
16) Are they going to Ocean Park on Sunday?
18) Are you liking Kelly Chan's songs?
B) Yes, I am, but my brother isn't.
Bem, Luka, é isso. Por favor, além de agradecer você pode também avaliar ali do lado? Porque foi demorado fazer isso, haaha.
Espero ter ajudado.