[ Preposition ]
The whole world is waiting ____ a vaccine against Covid-19.
A. at
B. to
C. for
D. in

Random Topics:
Active and Passive voiceComparatives, Superlatives, and ModalsPresent Simple for Future ArrangementPossessive Nouns with Apostrophes and PronounsHave to/Has toDefinite & Indefinite Pronoun & ConditionalsPast Simple TenseThe First Conditional SentencePast Continuous Tense & Past ModalsVocabulary and GrammarOther quiz:
Reported Speech and Tenses › ViewFill In Present Continuous: Right now, we _________(watch)a movie together.
A. watches
B. are watching
C. watch
Articles › View
Rita plays ______ violin and her sister plays ______ guitar.
A. the / the
B. x (no article) / the
C. a / the
D. the / a
Gerund › ViewMy father ___ the roof ___ .
A. get, repaired
B. will get, repair
C. get, repair
D. will get, repaired
Grammar › View
Wow! , you have got a great score.
A. Conjunction
B. Interjection
C. Verb
D. Pronoun
