[ Present Tense ]
Languages _____ very fast. Half of world’s languages will disappear by 2100.
A. disappear
B. are disappearing
C. have disappeared
D. have been disappearing

Random Topics:
1st & 2nd ConditionalsAuxiliaries VerbPrepositions and AdverbsModal Verbs and ConjuctionsVerbs and Possessive AdjectiveGrammar - SimilesPast Continuous TenseGrammar - either...or, neither...norPronounsVocab and GrammarOther quiz:
Grammar › ViewOdy was crying because she hurt…foot on the sidewalk.
A. me
B. her
C. us
D. it
Gerund vs. Infinitive › View
After spending all day studying in the library, the buzzing fluorescent light was driving me crazy.
A. Gerund
B. Participle
C. Infininitive
D. None of the Above
When the sentence comes to an end, we ____.
A. put comma
B. put full stop
C. do not put anything
Vocabulary › View
He placed security cameras in the hope of …….. shoplifters.
A. rejecting
B. postponing
C. deterring
D. removing