[ Perfect Modals ]
You _______ studied harder for the test.
A. Might have
B. Should have
C. Could have
D. Must have

Random Topics:
Quantifiers & Modal VerbsGrammar: so and suchGerund, Infinitive, Bare VerbAntonymsPassive of Modal VerbsRegular Plural NounsGrammar and StructureClauses and Conjunctions-ed/-ing Adjectiveswas wereOther quiz:
Present Tenses › ViewI have read this chapter in my chemistry text three times, and still I ______ it.
A. don’t understand
B. have understood
C. understand
D. haven’t understood
Conditionals III - Mixed 1st, 2nd & 3rd Conditionals › View
If John … more careful, he wouldn’t get so many traffic fines.
A. will be
B. had been
C. was
Present Tenses › ViewRichard _______________________ (OFFER) Kate something to drink, but she said she wasn’t thirsty.
A. offers
B. offered
C. is offering
D. offer
Simple present/ past/ future tense › View
My sister _______ (learn) Spanish last summer.
A. learnt
B. learns
C. learn
D. will learn