Bài 1:

a, Hoang spent half an hour walking yesterday.

b, Because Lan was sick, Lan didn't go to school yesterday.

c, I prefer listening to music to watching TV.

d, It takes me two hours to do my washing every day.

e, The heavy rain prevented us from enjoying the trip.

g, How old is your daughter' age, Mai ?

h, Minh prefers Korean films to Chinese films.

a,It took Hoang half an hour to walk to work yesterday
=> Hoang spent an hour walking to work yesterday.
b, Lan didn't go to school yesterday becaus of her sickness
=> Because Lan was sick, she didn't go to school.
c,Listening to music is more interesting than watching TV
=> I prefer listening to music to watching.
d, I spend two hours doing my washing every day
=> It takes me two hours to do my washing every day.
e, We didn't enjoy the trip because of the heavy rain
=> the heavy rain prevented us from enjoying the trip.
g, What is your daughter's age , Mai ? 
=> How old is your daughter's age, Mai?
h, Minh likes Korean films better than Chinese films
=> Minh prefers Korean films to Chinese films.