[ Vocabulary ]
Due to human impacts, the rate of climate change is now thought to be too great and seriously threatens ______
A. Century
B. Invasive
C. Erosion
D. Biodiversity

Random Topics:
Progessive TensesModals and Modal PerfectsVerbs: Will & Going toVerb ConjugationAdjective OrderCardiology ServicesVerbs & Phrasal VerbsSubjunctiveCompound SentencesPresent Perfect Tense and Simple Past TenseOther quiz:
Question Tags › ViewHe’ll be five in three days, ________?
A. shan’t he
B. willn’t he
C. isn’t he
D. won’t he
Grammar › View
Be careful! You ……………… drop the files.
A. will
B. are going to
Homonyms › ViewThe elite group is called a ___.
a. click
b. clique
Infinitive and Gerunds › View
A gerund is a verb in
A. Past Participle
B. -ing
C. Past simple
D. Future
