11. We have a two-month summer vacation - Our summer vacation lasts............................. 12. Will you please look after the house while we’re away? - Will you please take........................................? 13. Vietnamese students have fewer vacations than American ones. - American students............................................ 14. It takes me about two hours each day to do my homework. - I spend .............................................................. 15. Hoa is a hard student . - Hoa studies........................................................ 16. I get to work in half an hour. - It takes............................................................... 17. Do you have a cheaper computer than this? - Is this ...............................................................? 18. How much is this dictionary? - How much does................................................. 19. It isn’t important for you to finish the work today. - You don’t............................................................. 20. There are over eight hundred stamps in Tim’s collection. - Tim’s collection........................ ............................