[ Preposition and Word Form ]
The rapidly ________ population will put a strain on the country’s health care system.
A. ageless
B. ageing
C. ageless
D. anti-aging

Random Topics:
Infinitive GerundSports VocabularyVerb Tenses and Past ParticiplesRelative ClausesPresent Perfect Simple vs ContinuousModals Deduction: cant /mustVerbals and GerundsFuture Continuous TensePassive with ModalsQuantifiers & Modal VerbsOther quiz:
Future Tense › ViewComplete the sentence: He _______ not buy a new car.
A. did
B. should
C. can
D. will
Simple Tenses › View
_____ you (do) your homework yesterday?
A. Do / did
B. Did / do
C. Do / do
D. Did / did