[ 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:
Prepositions and Preposition Phrases › ViewHow many prepositional phrases are in the following sentence? Enter the number of prepositional phrases.
On Wednesday, we celebrated at my mom’s house for two hours.
A. One
B. Two
C. Three
D. Four
Grammar › View
Japanese is _________ language to learn.
A. the hardest
B. hardest
C. hard
D. harder than
Chhengoeun ______(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.