[ Modals of Deduction ]
You passed !! you ____ been so happy when you heard the results !!
A. must have
B. couldn´t have
C. may not have

Random Topics:
too / enoughWH Questions and Simple Past TenseBe Going To vs. WillPrepositions of TimeSentencesGrammar (Adverbs, Prepositions, Prepositional Phrases)Present Simple/AffirmativeSo, Such, Many, MuchGrammar: wishes and regretsPast Tense, Recount Text, and Future TenseOther quiz:
Mixed General Quiz › ViewHe is very great. What type of adverb is ‘very’?
A. Place
B. Time
C. Degree
D. Frequency
Dependent Prepositions › View
Are you talking ___ me?
A. to
B. with
C. for
D. at
Grammar › ViewHe has to be on time to make a good impression
A. obligation
B. capacity
C. suggestion
D. polite request
Modals and Modal Perfects › View
If you wanted to stay in that hotel you ____ booked before!
A. could have
B. might have
C. should have
