[ 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:
If/Unless - Conditional type 1 › ViewYou should not swim in the river ___ you are a good swimmer.
A. unless
B. if
Modals and Modal Perfects › View
It’s very catchy. I can’t stop looking at / singing it.
A. looking at
B. singing at
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