Grammar Quiz
[ TOEFL Grammar ]

___ caused the fire is still unknown.

A. What

B. That

C. Whether

D. How

Select your answer:
A  B  C  D  E 


Random Topics:

Contrastive ConjunctionsGrammar: SyntaxArgumentative VocabularyIndefinite and Reflexive PronounsLinking Words & PhrasesPast and Present Continuous tenseState Verbs and Action VerbsPast TenseIdentifying Sentence TypesPast Simple vs Past Continuous

Other quiz:

Past Tense › View

Nia and Nadya … Chicken steak last night.

A. ate

B. eat

C. eaten

D. eating

Grammar and Vocabulary › View

By_____1.500.000 tons of insects a year, birds greatly help American farming.

A. ate

B. eating

C. having eaten

D. eat

E. to eat

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