The___________of the outbreak of the disease is still unknown. ...

[ Grammar ]

The___________of the outbreak of the disease is still unknown.

A. aim

B. cause

C. motive

D. reason

Select your answer:

Random Topics:
Later vs. Latter Modal Auxiliary Verb Subject – Predicate Describing Words Modals for Recommendations Compound and Complex Sentences Articles and Prepositions Conditional Sentences Communicative Grammar

Other quiz:

Question Tags › View

Lucy eats many fresh vegetables every night to her dinner…

A. Didn’t he?

B. Doesn’t he?

C. Doesn’t she?

D. Didn’t she?

Verb Patterns › View

When I’m with you, there’s no place I would rather

A. to be

B. be

How to use : Read the question carefully, then select one of the answers button.