Topics: Vocabulary
able to be maintained at a certain rate or level.
A. maintain
B. ensure
C. sustainable
D. arising
Select your answer:
Random Topics:
-ed and -ing AdjectivesPassive Voice and ModalsPast Simple, Past Continuous, Past PerfectSimple present/ past/ future tensePast Tenses and ConditionalsWill and Going toCompound Nouns and Compound Adjectives QuestionsTOEFL GrammarReflexive pronounsModals - Have to or ShouldOther quiz:
Tenses › ViewOur family ____to Tuan Chau, Ha Long last year.
A. Was going
B. went
C. Would go
D. Had gone
Grammar TOEFL › View
Having switched off the light,_____
A. it was the door he locked.
B. he locked the door.
C. the door was locked.
D. this locked the door