I,
1,c
2,d
3,a
4,d
5,c
6,d
7,b
8,b
9,b
10,c
II,
1,haven't seen
2,is looking
3,travel
4,might/have
5,repair
Part C:
I,
1,big
2,surrounded
3,in
4,can
5,house
II,
1,a
2,d
3,c
4,b
5,c
III,
A,
1,T
2,F
B,
1,he takes a bus to school.
2,No, he doesn't
3, he plays basketball or table tennis.
Part D.
1, Could you swim when you were a child?
2,Young people are keen in home robots.
3,We should not throw rubbish on the street.
4,Da Nang is the most famous city in Vietnam
5,We are going a oicnic on tomorrrow