[ Grammar ]
I think mobile phones are ______ for people of all ages.
A. usage
B. usefully
C. useful
D. use

Random Topics:
Modals Posibility and ProbabilityPast Continues TenseFuture - be going toGrammar and EssayPast Narrative TensesModals and Comparative SuperlativeConjunctionWishes & Reported SpeechPresent, Past and Future TenseIELTS GrammarOther quiz:
Simple Present Tense › View……………….. your uncle come here every year?
A. Do
B. Does
C. Did
D. Will
Tenses › View
_____ on the computer now?
A. Is Peter working
B. Was Peter working
C. Has Peter working
D. Will Peter be working