Grammar: Confusing Words – Which/That Quiz

Many people have trouble deciding whether to use the words which or that to start a clause. If the sentence will make sense without the clause, it’s called a nonrestrictive clause. A nonrestrictive clause is introduced by the word which. If the sentence would not make sense without the clause, it’s called a restrictive clause. Restrictive clauses are introduced by that. Choose the correct word in each sentence.