[ Grammar ]
Now everyone ______ what to do when they catch Covid-19.
A. is knowing
B. knows
C. will knows
D. knew

Random Topics:
Do not or Does notPast Perfect or Past Perfect ContinuousGrammar - Countable/ UncountableWho am I?Take or PutUnderstanding Product Packaging and TensesFuture Simple TensePresent Perfect and Present Perfect ContinuousPreposition FormPresent ContinousOther quiz:
Grammar › ViewWhat did you do yesterday ?
A. Swimming in the pool
B. Swims in the pool
C. Swam in the pool
D. Swum in the pool
Perfect Verb Tenses › View
Which of the following sentences is in the future perfect tense?
A. She will have learned the lesson by then.
B. She has learned the lesson.
C. She had learned the lesson.
D. She learns the lesson.
Future Tenses › View________ Spanish again next semester?
A. Are you going to take
B. Are you taking
Vocabulary and Modals › View
Antonio wanted to __________ before going on vacation to the beach.
A. have energy
B. lose weight
C. injure himself
D. warm up
