[ TOEIC ]
Sustainable ______ is the key indicator of the long-term health of the economy.
A. produce
B. to produce
C. productive
D. productivity

Random Topics:
Grammar - direct/indirect objectsSimple Present ProgressiveVerb PatternsHope, Thank, Modal VerbsPrepositionComparison Degree & GerundsPresent and Past Simple PassiveSubject Verb Agreement and Coordinating ConjunctionsDefinite vs Zero Article Abstract NounsPresent Perfect Simple & Present Perfect ContinuousOther quiz:
Conjunctions › ViewComplete the sentence with the correct conjunction.
Computer games are easy to learn ………………………… lots of fun.
A. so
B. or
C. and
D. but
Conditional Sentence › View
Let’s clean our house. If you … the floor, I … the dishes with Mom.
A. sweep — washed
B. will sweep — wash
C. swept — will wash
D. would sweep — swept
E. sweep — will wash
Tag Questions › ViewYou haven’t tidied your room,_______
A. have you?
B. do they?
C. aren’t we
D. was it?
E. haven’t you
Grammar and Vocabulary › View
Look at that man! He ____________ off his ladder is he isn’t careful.
A. is going to fall
B. is falling
C. will fall
D. falls
