[ Grammar ]
The teacher solved the problems.
A. The problems was solved by the teacher.
B. The problems are solved by the teacher.
C. The problems were solved by the teacher.

Random Topics:
Progressive TenseNoun and PronounGerundsInterrogative Pronouns & AdverbsAdverbs, Infinitives, Definite ArticleVerbs: Will & Going toVerb AgreementRelative Clauses beginning with PrepositionsPresent Perfect and Present Perfect ContinuousClause Markers TOEFL GrammarOther quiz:
Grammar › ViewThere are a lot of books in the library.
_____ are for science, _____ are history.
But I like English novels the most.
A. Some ; others
B. Some; the others
C. One; the other
Modal Verbs › View
Jane ______ eat this peanut biscuit. She’s allergic to nuts.
A. must
B. doesn’t have to
C. mustn’t
Grammar › ViewLeo ………………. exercises in his free time.
A. walks
B. plays
C. does
D. makes
Modals of Obligation & Prohibition › View
She _____ wear a uniform to school.
A. has to
B. can
