Choose the best answer A B C or D to complete the sentence

----- Nội dung dịch tự động từ ảnh -----
6.
A. disposal
7.
The safe
B. abandon
C. throw
When did the Socialist Republic of Viet Nam come into_
A. naming
B. being
8. You cannot smell oxygen. It is a(n)__
A. smelling
9.
A. idea
12.
We have to
A. keep
10.
A. increase
11. My employer's
of nuclear waste is a major international problem.
B. preserve
I like that photo very much, could you make an
He earns
A. twice as much as
C. as much twice as
C. existing
gas.
B. fragrant
C. odorous
the natural resources four country.
B. belief
he used to last year.
C. maintain
D. destruction
?
D. knowing
D. odorless
D. conserve
for me?
B. extension
C. enlargement
of my work does not matter to me at all.
Copinion
B. twice as many as
D. as much as twice
D. expansion
D. expression