[ 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:
Relative Clauses › ViewIt is difficult to predict____will happen politically if Turkey is refused entry to the EU.
A. how
B. which
C. when
D. what
E. that
Comparative and Superlative Adverbs › View
Which is the superlative adverb of “high”?
A. most high
B. highest
C. higher
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
