[ Grammar ]
Water ________ at a temperature of 100°C.
A. is to boil
B. is boiling
C. boils

Random Topics:
Who or WhomFrequencyAdjective or AdverbSecond and Third ConditionalConstrative ConjunctionPhrase and ClauseComparative and Superlative AdverbsSentence Types and ConjunctionsModals: Possibility, Necessity, ExpectationPronouns of QuantityOther quiz:
Clause Markers TOEFL Grammar › ViewComplete the sentence with the best clause marker:
Sacagawea , ________ was a Shoshoni Indian, guided Lewis and Clark to the Columbia River.
A. whose
B. who
C. which
D. whom
Grammar › View
It’s ___________ to call her at night.
A. convenience
B. inconvenience
C. convenient
D. inconvenient
Grammar › ViewMy teacher _________ English at the moment.
A. is speaking
B. speaks
C. is speak
D. speaking
Grammar: Used to, Would, Be used to, Get used to › View
I didn’t like spicy food before, but ___ to it now.
A. I used
B. I’m used
