Topics: Conditional Sentences
If they ____ the truth, they would have told us.
A. know
B. knew
C. have known
D. had known
Select your answer:

Random Topics:
Time ConjunctionsConditional Sentence Type 2 and Type 3Adverbs, Prefixes, and SuffixesGrammar - direct/indirect objectsGrammar - to bePresent Continuos TenseModals for RecommendationsInfinitive GerundAsking & Giving OpinionTOEICOther quiz:
Verb Patterns › Viewtry
A. to go
B. going
Mixed General Quiz › View
On the ___, he is a nice person.
a. whole
b. hole
