[ Grammar ]
The___________of the outbreak of the disease is still unknown.
A. aim
B. cause
C. motive
D. reason

Random Topics:
will, be going to, would like toPossessive Pronouns and Adjective PronounsConditionals and WishesSimple Past TenseWill and Will notCompound and Complex SentencesDefinite vs Zero Article Abstract NounsRelative Clauses & Real ConditionalsGerund, Infinitive, Bare VerbArticles and DemonstrativesOther quiz:
Grammar › ViewWe ________ swimming because it’s fun and good exercise.
A. like
B. are liking
C. will like
D. liked
Grammar › View
What is something you have to do before going to the beach?
A. Wear a hat
B. Play in the sand
C. Put on sunscreen
D. Exercise
Conjunction › ViewPlease turn off the light … I can get to sleep.
A. to
B. in order to
C. so that
Grammar › View
Which sentence uses the correct verb tense?
A. Mrs. Williams has worked as a librarian for 7 years.
B. Mrs. Williams has work as a librarian for 7 years.
