[ Grammar ]
Volunteer become well _________ of the problems facing the world.
A. aware
B. concerned
C. helpful
D. interested

Random Topics:
Conjunctions and Verb TensesJobsPreposition of PlaceDaily Routines & TensesActive and Passive Gerunds and InfinitivesFragment, Comma Splice and Run -on SentencePassive Modals in Different TensesThird ConditionalsConjunctivesConditional Sentences Type 1Other quiz:
Tenses › ViewWhich sentence is in past continuous tense?
A. She is reading a book every night
B. They were playing in the garden
C. He will cook dinner just now
D. We went for a walk yesterday
Verb Tenses › View
Use the present perfect tense to describe a recent trip.
A. I visited Paris last summer.
B. I will visit Paris next year.
C. I have visited Paris and explored its famous landmarks.
D. I am visiting Paris right now.
Tenses › ViewThey _______ (to build) a new house next door.
A. build
B. builds
C. are building
D. built
Vocabulary › View
full of light and color
A. brilliant
B. pattern
C. archive
