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1. Scientists are working for an …………. way to reduce energy consumption.
A. effect
B. effective
C. effection
D. effectively
2. They have made a ……… on how to stop the rapid spread of COVID-19.
A. suggestive
B. suggestively
C. suggested
D. suggestion
3. We are talking about the preservation of ……………. resources.
A. nature
B. natural
C. naturally
D. naturalize
4. Tet is a …………….. festival of the Vietnamese people.
A. joy
B. joyful
C. joyfully
D. joyfulness
5. The instructions about how to protect yourselves from being infected by coronavirus must be observed __________.
A. strictness
B. stricter
C. strictly
D. strict
6. What will they achieve if they work ___________today.
A. hardly
B. hard
C. harden
D. hardness
7. The girl sang very ________. She wanted to send the song to the soldiers and medical staff in the fight against COVID-19.
A. beauty
B. beautiful
C. beautify
D. beautifully
8. The “Teaching English on TV” program is very interesting and ________________.
A. use
B. useful
C. useless
D. uselessly
9. Don’t be ________. We’ll overcome the pandemic soon.
A. impatient
B. patient
C. patiently
D. patience
10. Tom looks very __________. Do you know what happened to him?
A. sad
B. sadly
C. sadness
D. sadden
11. My uncle’s old car was___________, but his new one is very ________.
A. slow/ fast
B. slowly/ fast
C. slow/ fastly
D. slowly/ fastly
12. The problem of ________ among young people is hard to solve.
A. employment
B. employee
C. employers
D . unemployment
13. WHO’s main activities are carrying out research on medical _______ and improving international health care.
A. develop
B. developing
C. development
D. develops
14. To Americans, it is not polite to ask someone about age, ________and salary.
A. marry
B. married
C. marriage
D. marrying
Loga
Sinh Học lớp 12
