[ 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:
Simile, Metaphor or Personification › ViewThe kitchen is the heart of my mother’s home.
A. Simile
B. Metaphor
C. Personification
Grammar › View
Which of these is correct?
A. I am not eating lunch.
B. I not am eating lunch.
C. I is not eating lunch.
D. I not is eating lunch.
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
