Many of the areas in the north are facing serious water ______
A. short
B. shortcoming
C. shortcut
D. shortage
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childhood _____ problems continue to threaten
A. organic
B. obese
C. obesity
D. original
23000 students from 36 schools in Germany were taught about the benefits of _____ diet.
A. vegan
B. vegetarian
C. vegetable
D. vet
save water的同义词
A. run out of water
B. conserve water
C. conservation
D. make good use of water
The CDC says that even fully _______ travelers risk getting and spreading COVID-19 ______in Japan
A. variant
B. vaccinate
C. variants
D. vaccinated