[ Vocabulary ]
More than a billion people all over the world are under the threat of desert .
A. ncrease
B. expansion
C. development
D. extension

Random Topics:
Grammar - Sentence StructureModal, Causative Verb & Elliptical StructurePresent/Past/Past ParticpleArticles and DemonstrativesTenses and Time MarkersPhrases and TensesGrammar - may/might/could1st & 2nd ConditionalsCommon ErrorSome & AnyOther quiz:
Grammar › ViewI always go to school______foot.
A. on
B. at
C. by
Grammar › View
Mike flew the plane under the bridge.
This sentence has a/an ________________.
A. Direct object
B. Indirect object
C. Predicate nominative
D. Predicate adjective
E. None of the above
We are learning tenses now
A. Simple present tense
B. Present continuous tense
C. Simple past tense
D. Past continuous tense
Grammar › View
It’s about time you ____ helping me with the housework.
A. will start
B. have started
C. started
D. would start
