[ Grammar ]
They …. know if the floor is slippery.
A. is
B. am
C. are
D. were

Random Topics:
Passive Voice - Present ContinuousRelative Clauses and etcSimiles and Body IdiomsCohesive DevicesAdjectives & PrepositionAuxiliary Verbs & Question TagsAdjective & AdverbSentence Structure and ConjunctionsTOEFL Adjective and AdverbGerund & InfinitivesOther quiz:
Gerund, Infinitive & Modals › ViewI don’t care about ____ by others.
A. liked
B. like
C. being liked
D. to be liked
E. to like
Vocab and Grammar › View
Pick the word that fits in the blank space:
He stopped to ____________ whether the TikToks were worth watching.
A. evaluate
B. solution
Grammar › ViewShe ___ her bicycle to work today.
A. ride
B. rode
Present Tenses › View
we _____ a lot of fun with the new vido games at the moment.
A. have
B. had
C. are having
D. were having
