[ Grammar and Vocabulary ]
Choose the best option to fill in the gap: Environmental changes in Antarctica __________ a drastic decline in the numbers of penguins.
A. have caused
B. have brought
C. have led to
D. have resulted from
Random Topics:
VocabularySubjective and Objective PronounState Verbs and Action VerbsVerb Forms and PrepositionsPast Simple, Past Continuous, Past PerfectNarrative, Past TensesModal VerbsTenses and Sentence Completiona, an, the, zero articleModals: Possibility, Necessity, ExpectationOther quiz:
Grammar › ViewThey wanted a __________ table.
A. big square brown
B. square big brown
C. square brown big
D. brown big square
Relative Clauses › View
In areas ____many elderly live alone, the police may visit their homes to make sure they are all right.
A. that
B. which
C. whose
D. whom
E. where
Vocabulary › ViewAnother word for hardship is ________
A. sympathy
B. transportation
C. strength
D. difficulty
Adjectives with -ED and -ING › View
We were _____ when we heard the news of the forest fires.
A. alarmed
B. alarming