[ Grammar ]
Grammar:
Nobody knows what happened. The fire ____ been an accident or caused on purpose.
_____
A. could have
B. must have
C. should have
Select your answer:
Random Topics:
TenseThe Future Simple TensePresent Simple vs Past SimpleWh-QuestionBe going to / WillGrammar and VocabulariesGrammar: Defining Relative ClausesPhrasal VerbsFirst Conditional & Future TensesOther quiz:
would should could › ViewIf I were the president of the board, I ______ make several changes.
A. should
B. would
C. could
Grammar › View
The little girl is scared ______ the cockroaches.
A. of
B. in
C. at
D. about