[ Essential and Nonessential Clauses ]
Which of these is needed to make the sentence make sense?
A. Essential clauses/phrases
B. Nonessential clauses/phrases

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Grammar: so and suchSentence Structure and ConjunctionsPassive with ModalsPast Simple and Past Continuous TensesAdjectives & PrepositionsConditional SentenceMuch, many, a lot of, a few, a littleParticipal PhrasesTenses and Verb FormsAdjectiveOther quiz:
Reported Speech › ViewI’ll see you tomorrow, he said
A. He said that I see you tomorrow.
B. He said that he would see me the next day.
Grammar › View
The exam was too difficult. It wasn’t ___________________.
A. easy enough
B. too easy
Past Tenses › ViewWhich tense is used to describe an action in progress, or a repeated action that happened another event?
A. Past Simple
B. Past Continuous
C. Past Perfect
D. Past Perfect Continuous
Narrative Tenses › View
He ______ for an hour before he realized it was time to leave.
A. worked
B. was working
C. had been working