[ Grammar TOEFL ]
A machine _____ could monitor efficiency would be very useful.
A. whom
B. that
C. it
D. when
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Present Tense vs Past TenseTenses and ArticlesPast Simple Negative & QuestionsFuture TensesPrepositions Of PlaceMoods of GrammarIndependent ClausesGrammar - Present Perfect with already, just, yetConjunction: Because and SoModal Auxiliaries and To Be VerbsOther quiz:
Adjectives and Vocabulary › ViewThe students are surprised by the sudden rain.
Surprised is a(n) ___________.
A. noun
B. verb
C. adjective
Past Simple vs Past Continuous › View
Hello Cesarina, what _______ (you / do) when I called you last night?
A. do you do
B. did you do
C. didn’t do
D. were you doing
Tag Questions › ViewShe is collecting stickers, ……………..?
A. is she
B. does she
C. isn’t she
D. doesn’t she
Past or Present Verb Tense › View
Which vocab word matches this definition:
When two or more things rely on each other to work.
A. Systems
B. Interdependent
C. Interrelated
D. Food security