[ Grammar ]
The whole world is waiting _____ a vaccine against Covid-19.
A. by
B. in
C. to
D. for
Select your answer:
Random Topics:
Present TenseTransitional WordsCOUNT - NONCOUNT NOUNS1st ConditionalSentences vs Run-OnsModals and PhrasesPronouns/ Present Tense-ed/-ing AdjectivesConditionals 1,2,3Other quiz:
Grammar › ViewVietNam has …. (beautiful) ocean in the world.
A. the beautifullest
B. the most beautifullest
C. the most beautiful
D. the beautiful
Present Tenses › View
Hoa usually ____ charge of doing the washing-up in her family.
A. takes
B. is taking
C. take
D. will take