[ Grammar and Vocabulary ]
Water ___ at 100 degrees Celsius.
A. boil
B. boils
C. boiled
D. will boil

Random Topics:
Simple Verb TensesGrammar ( going to)Grammar ClausesPast Perfect Simple TenseContrastive ConjunctionsAdverb Clause Connectoras...as, comparatives, superlativesGrammar / PronounsArticles and PrepositionsMust or Mus notOther quiz:
Homonyms › ViewA beautiful woman at a dance party is sometimes called the ___ of the ball.
a. bell
b. belle
Grammar › View
My sister _________ live in Philadelphia.
A. Don’t
B. Doesn’t
He had a distinguished(傑出的) career as a __________.
A. adult
B. attention
C. dinosaur
D. diplomat
Grammar › View
I _____ football for five years.
A. Have playing
B. Have been playing
C. Has playing
D. Has been playing
