The word “it” in the passage refers to____________.
A.cancer
B.smoke
C.air
D.breath

It’s 3 years since I last saw Nam.
A.I haven’t seen Nam for 3 years.
B.I haven’t seen Nam about 3 years.
C.I haven’t seen Nam in 3 years.
D.I haven’t seen Nam since 3 years.

(50) _______
A.much
B.less
C.fewer
D.more

The children felt____________when their mother was coming back home.
A.excitement
B.excitedly
C.excited
D.exciting

If I_______________free, I’ll come to see you.
A.am
B.was
C.will be
D.have been

She felt tired. ______________, she had to finish her homework.
A.However
B.Therefore
C.So
D.Although

You______________better if you took this medicine.
A.will feel
B.feel
C.felt
D.would feel

Lan and her family had a________________to their home village.
A.two-days trip
B.day-two trip
C.two-day trip
D.day trips

He__________to Ha Noi ten days ago.
A.has gone
B.went
C.was going
D.goes

_________I came to see her yesterday, she was reading a book.
A.Before
B.When
C.While
D.After