[ Grammar ]
They …. know if the floor is slippery.
A. is
B. am
C. are
D. were
Select your answer:
Random Topics:
Independent vs. Subordinate Clause Used To, Be Used To, Get Used To VerbGerunds and Infinitivesmust/shouldRegular Plural NounsTense,noun,preposition,quantityPrepositions and ArticlesConditional Sentence Type 3
Other quiz:
Vocabulary › Viewthe constitutional principle that recognizes people’s fundament rights
A. individual rights
B. unalienable rights
C. separation of powers
D. popular sovereignty
Grammar › View
My birthday is __ July.
A. in
B. on
C. at
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