Topics: Passive Voice
Cure to diseases _____________ by universities and private labs all the time.
A. are developing
B. is developed
C. develop
D. are being developed
Select your answer:
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Article the or zero article (-) › ViewI bought a bag this morning. _______ bag is grey.
A. The
B. –
Grammar › View
After they developed the ________, they put it into practice
A. theory
B. task
C. chore
D. tough