[ Grammar ]
Water________ (boil) at 100 degrees Celsius
A. boils
B. is boiling
C. has boiled
D. has been boiling

Random Topics:
InfinitiveGrammar: Reported QuestionsPhrasal Verb With TakeDeterminers & QuantifiersExpressing Obligation and ModalsFuture Tense (will/be going to/p.continuous)Zero and First ConditionalsGrammar PhrasesAdjective / Noun + to InfinitiveGrammar - either...or, neither...norOther quiz:
Grammar › ViewAt work I often _______________ to the radio.
A. hear
B. watch
C. look
D. listen
Noun › View
She plays sand. The word sand is ….. noun.
A. uncountable
B. countable
C. single
Comparative - Superlative › ViewThe cheetah is the __________ animal in the world. (fast)
A. fast
B. most fast
C. fastest
D. more fast
Passive Voice › View
the cars / to repair (present tense)
Arrange into passive voice
A. The cars are repaired.
B. The cars is repaired
C. The cars were repaired