[ Relative Pronouns ]
The computer problem, ______ was unexpected, is now solved.
A. that
B. which
C. in which
D. whose

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Modals: Possibility, Necessity, ExpectationPast Perfect and Past Perfect ContinuousElectricity VocabularyCan, Could, May, MightPre-intermediatePossesive Pronouns and Modals of AbilityConjunctions and CommasGerund after Prepositions and Certain VerbsPerfect Progressive TensesAdjectives and PronounsOther quiz:
Tenses › ViewThe sunbeam ____ through the clouds at 8 AM yesterday.
A. shone
B. shines
C. is shining
D. will shine
Grammar › View
________________________? Yes, there will be more e-books than paper books.
A. Will there be more e-books than paper books?
B. What will there be?
Present Simple Tense › ViewChhengoeun ______(help) the kids of the neighborhood.
A. helps
B. helpes
C. help
Tenses › View
Will he have been doing the research all day long?
A. Yes, he will.
B. No, he will not.