Question 3:A. have used B. using C. which used D. used

Question 4:A. viral
B.  medical
C.  global
D.  serious

Question 5:A. keeps up with
B.  looks out for
C.  keeps track of
D.  takes care of

Question 6:A. value
B.  valuable
C.  valuably
D.  valuer

Read the following advertisement and mark the letter A, B, C or D on your answer sheet to indicate the option that best fits each of the numbered blanks from 1 to 6.

WHO Wastewater Surveillance: Your Community's Health Guardian

⮚        Are you worried about COVID-19 in your area? The WHO has developed an innovative solution to protect communities worldwide! Our new wastewater surveillance system, (1)_________ monitors virus levels in sewage, can detect COVID-19 before people feel sick.

⮚        Scientists have found that (2)_________ of the infected people shed the virus in their waste even without symptoms. The method (3)_________ by over 50 countries helps detect (4)_________ circulation intensity weeks before clinical cases appear.

⮚        The dashboard (5)_________ viral circulation intensity in communities, helping health officials make better decisions quickly. This technology picks up virus signals 1-4 weeks before hospitals see more patients, giving communities (6)_________ time to prepare.

❖        Join countries worldwide in supporting this life-saving surveillance system. Together, we can stay one step ahead of COVID-19!

❖        Contact your local health department today to learn more about wastewater monitoring in your area.

https://data.who.int/tc

Question 1:A. whom
B.  which
C.  whose
D.  who

Read of the following leaflet and mark the letter A, B, C or D on your answer sheet to indicate the option that best fits each of the numbered blanks from 7 to 12.

FLOATING HOMES: YOUR FUTURE ON WATER

A Smart Solution for Rising Sea Levels

⮚        Rising sea levels threatening your home? Discover the innovative solution! More countries are getting (7)_________ board with floating homes as a practical response to climate change.

⮚        (8)_________ floating homes seemed strange before, they're now becoming popular worldwide. These (9)_________ let you adapt to rising waters safely.

❖        Key Benefits:

✔        Rise and fall with water levels

✔        Let families (10)_________ put instead of relocating

✔        Protect against floods

⮚        Some worry about this (11)_________ living situation, but (12)_________ are already enjoying water-based living. The UN and architects recognize floating cities as practical solutions for our future.

❖        Ready to Float?

✔        Contact your local planning department today about floating home opportunities.

✔        Float with change, not sink beneath it.

❖        Info: www.floatingfuture.org

https://www.asce.org/tc

Question 7:A. on
B.  for
C.  of
D.  to

Question 8:A. Although
B.  Until
C.  Moreover
D.  Unless

Question 9:A. modern houses floating
B.  floating houses modern 

C.  houses modern floating
D.  modern floating houses

Question 10:A. remain
B.  keep
C.  stay
D.  be

Question 11:A. unusual
B.  different
C.  nontraditional
D.  alternative

Question 2:A. any
B.  most
C.  lot
D.  each