14. I spend two hours each day doing my homework
- It + take/took + s.one + time/money + to do s.th = S.one + spend + time/money + doing s.th
15. Hoa studies hard
- S + tobe + adj + N = S + V + adv
16. It takes me half an hour to get to work
17. Is this the cheapest computer do you have?
18. How much does this dictionary cost?
- How much + tobe + N? = How much + do/does/did + N + cost? = What is/was the price of + N?
19. You don't need/have to finish the work today
- It is not important (for s.one) to do s.th = S + do not + need/have + to do s.th
20. Tim's collection has over eight hundred stamps
- There are + `....._1` + in + `...._2` = `...._2` + have/has/had + `......_1`
21. What is the Big Ben Clock Tower's height?
- How + adj + tobe + S? = What + tobe + TTSH + N?
22. How heavy is your son?
23. How much does this face mask cost?
