[ Quantifiers ]
These two boys look identical. They ________ twins.
A. must have been
B. should be
C. must be
D. should have been

Random Topics:
Verb + InfinitiveAlong & AgainstGrammar: Have toGrammar ( going to)Coordinating ConjunctionFuture Time and TensesSimple TenseTenses and Time MarkersPhrases and TensesModal Verbs - ObligationOther quiz:
If- Conditional › ViewMy parents had been my emotional safety net and I _____________ the ordeals of life without their constant support and attention.
A. wouldn’t have survived
B. couldn’t survived
C. will not have survived
D. wouldn’t survive
Countable and Uncountable Nouns › View
How ________ time do you have?
A. much
B. many
Preposition of Direction › ViewThe hypermarket is located ________ the office building and the bank.
A. among
B. over
C. between
D. above
Grammar › View
The difference was very __________.
A. subtle
B. major
C. irritable
