[ Modals and Tenses ]
Use the present simple: Water ___ (boil) at 100 degrees Celsius.
A. boil
B. boils
C. boiling
D. boiled
Select your answer:

Random Topics:
Adjectives, ING - EDArticles and NounsGrammar - Present Perfect TenseNoun Clauses with THATModal "Have to"Passive of Modal VerbsPronounciation and GrammarPresent / Future / Present Progressive / non Action VerbsVocabulary and DefinitionsDeterminersOther quiz:
Modal Verbs › ViewYou _____ go to the library to find more information about this topic.
A. can
B. must
C. could
D. ought to
Past Tense › View
Did the manager ___ you to revise the report?
A. tell
B. told
C. telling
D. tells
