My friend always passes his exams at school.
A. He may study very hard.
B. He must study very hard.

Random Topics:
PronounGrammar - Be going toGrammar Comma UsageGrammar & TensesPaired ConjunctionAuxiliary WordsPresent Tense (Negatives and Questions)Adverbs and Time ExpressionsAdverb or AdjectiveFirst Conditional & Future TensesOther quiz:
Grammar › ViewThese expressions are for declining invitation, except…..
A. thanks. I would be happy to be there
B. Well, sounds interesting. Sorry I cannot be there
C. Sorry, I am afraid I cannot join you this time
D. I am deeply sorry to say that I prefer stay with my family
Grammar › View
You all look dirty. Wash __ in the bath.
A. yourself
B. yourselves
C. myself
D. ourselves
Tenses › ViewWhich example illustrates the use of the past perfect tense?
A. The President will have apologized
B. Doctor Harvey had built the first artificial brain
C. The worker is hammering
D. She has donated extensively to UNICEF
Grammar › View
My sister is peeling some _____with a ________
A. potatoes, peelers
B. potatoes, peeler
C. potato, peelers
D. potato, peeler
