[ Grammar ]
—- angles of any triangle always add up to 180 degrees.
A. If three
B. The three
C. Three of
D. Three are

Random Topics:
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:
Wish Sentences › ViewCâu nào trong những câu sau đây thể hiện ước muốn ở tương lai?
A. Susan wishes she were a teacher in the future.
B. Susan wishes she had been a teacher in the future.
C. Susan wishes she would be a teacher in the future.
D. Susan wishes she is a teacher in the future.
Prepositions › View
I live ……. Valencia
A. In
B. On
C. At
I 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
