[ Conditional Sentences ]
Water … if you heat it up to 100ºC
A. boils
B. boiling
C. boiles
D. will boil

Random Topics:
Auxiliaries VerbComparative AdjectiveModal PerfectGrammar : Must (Necessity)Adverbs of DegreeConditionals and Modals of ProbabilityVerb Forms and PrepositionsPassive SentenceDemonstrative Pronouns and Verb TensesNoun and PronounOther quiz:
Grammar › ViewOlly and Max said, “We don’t know the population of London.”
A. Olly and Max said that they don’t know the population of London.
B. Olly and Max said that they didn’t know the population of London.
C. Olly and Max said we didn’t know the population of London.
D. Olly and Max said that they hadn’t known the population of London.
Vocabulary › View
Many teenagers are _________about current events.
A. decisive
B. ignorant
C. converge
D. periphery
Grammar › ViewWhich is an adjective?
A. old
B. mother
Vocabulary › View
His parents knew he was home when they heard him __________ up the front steps.
A. galumphing
B. shun
C. foe
D. sought
