[ Past Modals ]
must have means:
A. Something possibly happened
B. Something was a good idea (but didn’t happen)
C. We are sure about something.

Random Topics:
Relative Clauses and UsagePast Tense & Past Continuous TenseHas Got & Have GotFor vs SinceGrammar and EssayInfinitivesThe Present Progressive TenseCountable & Noncountable NounsVerb-ing or to VerbPast Perfect and Past Perfect Continuous TenseOther quiz:
Conditional Sentences › ViewIf you study hard, ________________.
A. you will passes the exam.
B. you will pass the exam.
Gerund and Infinitives › View
Peter wants __________ a new language this summer.
A. learn
B. to learn
C. learning
D. learned
Past Tense › ViewIt was the actor Jonhny Depp! he was alone, and I _____to take my chance. So I got up and ____to his table
A. decided/went
B. was deciding/ went
C. was decided/ go
D. decided and was going
Grammar and Vocabulary › View
You ________ cousins in Sweden, don’t you?
A. have to
B. got
C. have
