1, Hoa's father has less vacation than Tim's father.
2. What about going to cafeteria
3. Mai's brother drinks less milk than Mai
4, The yellow hat is less expensive than the blue one.
5. Why don't you do shopping with us?
1. ...How often.... do you go swimming ? - Twice a week.
2. ..Which... sports does Nam play ? - Soccer
3. ..What... does Ba do when it’s cool ? – He jogs.
4. ..How much... rice do you want ? - Two kilos.
5. ..Where... is Mr Hai traveling ? - To Ha noi.
6. ..How long... are you going to stay ? - For two weeks.