[ Modal Verbs of Deduction and Speculation ]
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:
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