[ Subject-Verb Agreement ]
There (is, are) two classes of pure matter: elements and compounds.
A. Is
B. Are

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Tenses (Present, Past, Future Forms)So....that... Such.......thatConditional Sentences and AdverbsModals, Phrasal Verbs, Gerunds and InfinitivesModals Deduction: cant /mustGerunds and InfinitivesBe Going To vs. WillParticiple AdjectivesVerbs, Tenses, and VocabularyModal Verbs and Gender NounsOther quiz:
Tenses › ViewThey ………………….. have been more careful with the project; now there are errors that could have been avoided.
A. could
B. would
C. should
Grammar › View
This club is for members only. You can’t go in _______ you are a member.
A. In case
B. Unless
C. If
Identify the correct sentence that uses the past continuous tense:
A. She was studying for her exam last night.
B. She will study for her exam last night.
C. She is studying for her exam last night.
D. She studied for her exam last night.
Passive with Modals › View
The application __________ carefully before any decisions are made.
A. is considered
B. must be considered
C. was considered
D. will consider