[ Grammar ]
—- angles of any triangle always add up to 180 degrees.
A. If three
B. The three
C. Three of
D. Three are
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Relative Pronouns with PrepositionsFigurative Language VocabularyGerunds and TensesUnless If First ConditionalPossessive Adjectives and Possessive PronounsConjunctions and CommasPresent Simple Affirmative and NegativeEssential and Nonessential ClausesAdjectives with -ED and -INGGrammar ClausesOther quiz:
Conjunctive Adverbs › ViewThere are many English books.
None of them may be helpful.
A. There are many English book; unless, none of them may be helpful.
B. There are many English books; however, none of them may be helpful.
C. There are many English books; therefore, none of them may be helpful.
Grammar › View
Now he ________ a book about English. I don’t think he will finish it.
A. writes
B. wrote
C. has written
D. is writing
Tenses › ViewI shall be writing a letter at 5 o’clock tomorrow.
A. Future Simple
B. Future Continuous
C. Past Simple
D. Past Perfect
Adjectives-Comparison, Superlative › View
What are you doing with these ____________ bottles?
A. empty glass
B. glass empty