[ Modal Verbs of Deduction and Speculation ]
There’s someone studying at the library.
A. It can be David. I think he’s at home.
B. It can’t be David. I think he’s at home.

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Second ConditionalGrammar ClausesTOEFL GrammarSo / Neither / Either / TooInversions and SubjunctiveAlong & AgainstGrammar - Capitalization and Possessive NounsPast Continues TenseGerund or InfinitiveTransportation VocabularyOther quiz:
Vocabulary and Grammar › View. Paraphrasing involves:
A. Changing the structure of the sentence while keeping the original meaning.
B. Copying the text word for word.
C. Summarizing the text in a longer form.
D. Using complex vocabulary to describe simple concepts.
Subjunctives › View
If it … their encouragement, he could have given it up.
A. had been for
B. hadn’t been
C. hadn’t been for
D. wouldn’t have been for
Grammar and Vocabulary › ViewThe Rong house of the Xo Dang is …………….. big stilt house with a high roof.
A. a
B. an
C. the
Grammar › View
Don’t use this bicycle, because it ___ broken
A. is
B. are
C. do
D. does
