[ Grammar ]
Many islands are below _______ and only the concrete walls can prevent them from disappearance.
A. human activity
B. greenhouse gas
C. sea level
D. ice cap

Random Topics:
Verbs and AdverbsPassive Voice - Past SimpleModals of ProhibitionProgressive TensesAdjectives and PronounsTo infinitive - GerundHelping and Linking VerbsSimple Past vs Past Continuous TenseRequest with Modal VerbsModal Verbs and ConjuctionsOther quiz:
Types of Simple Sentences › ViewWhich of the following sentences is imperative?
A. I have a new favorite food.
B. Put your clothes away
C. May I have another slice of cake?
D. Yes! We won the game!
Grammar › View
My sister enjoys ………………………. movies in her freetime.
A. watches
B. watching
C. to watch
Grammar › ViewThe latest news ——–that the criminal has been arrested.
A. is
B. are
Active & Passive › View
The window …………………….. .
A. was closed
B. close
