[ Grammar ]
This problem ______by your brother yesterday
A. was solved
B. will be solved
C. is solved
D. solves

Random Topics:
Adverbial ClausesModals of Obligation & ProhibitionNarrative, Past TensesContrastive ConjunctionGerund, Infinitive, Bare VerbPresent Continuous for FutureHas and HavePossessive AdjectivesGrammar-Verbs & Nouns Singular, Plural, Gender3rd Person SingularOther quiz:
Relative Clause › ViewHe arrived with a friend ______ waited outside in the car.
A. whom
B. which
C. who
D. whose
Modal Perfect › View
“Are you going to join us there” – “Sorry, I _____________ talk to the teacher after school.”
A. might
B. need to
C. am able to
D. can’t
Subject-Verb Agreement › ViewThe date and time of the accident ___ not certain.
A. Was
B. Were
C. Are
D. Is
Vocabulary › View
different from each other or caused to be different from each other
A. discuss
B. analogy
C. vary
D. descend