[ Vocabulary ]
Mining is of ____________ importance to many countries in Africa.
A. gradual
B. ordinary
C. complex
D. prime

Random Topics:
Quantifiers & Modal VerbsVerbal CommunicationFuture Simple TensesPassive SentencePresent Simple: affirmative, negative, interrogativePrepositions of MovementDescriptionsGrammar - may & mightParts of Speech and GrammarGrammar TOEFLOther quiz:
Present Tense › ViewShe … very patient and intelligent.
A. are
B. am
C. is
D. were
Past Perfect Tense › View
Which event is not written in the past perfect?
Did the students go home after they had visited the library?
A. Students went home
B. Students visited the library
Grammar › ViewThis floor _______________.
A. dirty
B. are dirty
C. dirty is
D. a dirty
E. isn’t dirty
Modal Verb › View
………….. anyone like coffee?
A. Could
B. Would
C. May
D. Can
