[ Modal Perfect ]
These two boys look identical. They ____________ twins.
A. must have been
B. must be
C. should be
D. should have been

Random Topics:
Adverbs of Time and PlaceFigurative Language VocabularyGrammar: was/wereHave to / Do not have toGrammar - much, many, a lot ofComparatives and ConjunctionsGrammar - Countable/ UncountableThe First Conditional (if/unless)TOEIC Tenses, VerbsFamily Vocabulary and GrammarOther quiz:
Grammar › ViewFive years ago people started to preserve the ____________ houses and the famous landscape.
A. traditional
B. tradition
C. traditionally
D. traditions
Mixed General Quiz › View
Did you know that 95 percent ___ the world’s opals are mined in Australia?
a. on
b. at
c. of
The computer is on the table.
A. complete sentence
B. sentence fragment
Question Tags › View
He’s got my newspaper again, ___?
a. has he
b. hasn’t he
c. had he
