[ Grammar ]
Habitat loss, _______is the destruction of a natural habitat, is the primary threat to the survival of wildlife in the United States.
A. who
B. that
C. whose
D. which
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Tenses (Present, Past, Future Forms)Passive Voice & Verb TensesImperative SentencesGrammar- Later/LatterSuffixes (ing-ed) SentencesCommon Grammar Mistakes and Spelling TipsSimple vs Present Continuous TensesVerb PatternsPerfect TensesNoun Phrases and AdverbialsOther quiz:
Grammar › ViewI_________________English since last December.
A. will be learning
B. am learning
C. have been learning
D. learn
Prepositions › View
I like to relax _____ I’m on holiday.
A. while
B. before
C. if
D. as soon as
Grammar › ViewIf Hoa _____ rich, she would travel around the world.
A. is
B. was
C. were
D. been
Grammar › View
Find the preposition:
Jessica left before lunchtime.
A. before
B. left
C. lunchtime
D. Jessica