c->cleaned

a->are

c->which

b->would be

it->bỏ hình như đề lỗi

c->living

c->whom

tự luận:

a knukcle is a joint connecting a finger.......

many peopla are said to be homeless because.....

it is a bridge that is being built in ..,.

my friend whose car was stolen last week has decided.....

if  he had taken an umbrella, he wouldn't have got wet

he is said to be a great adventurer

they started building their house ̀ days ago

francis is said to be in the hospital

it is said that they will never come back ....

the teacher told karen to stand up

II,

isn’t she

don’t we

haven’t you

do they

didn’t he

couldn’t he

won’t he

aren’t I

is he

am I

didn't you

isn't she

mustn't it