16. The American ....... ought to have three major powers to protect the rights of their people.
a. government
b. law
c. Constitution
d. branch
17. The first government of the US was very restricted in its ......
a. author
b. authorship
c. authority
d.authoring
18. The ..... of poverty serves the interests of the rich and the powerful.
a. exist
b. existence
c. eliminating
d. existing
19. Vietnam is a socialist country under the ..... of the Vietnam Communist Party.
a. leading
b. leader
c. lead
d. leadership
20 You will not succeed ..... you work hard.
a. if
b. although
c. unless
d. without
Loga
Sinh Học lớp 12
