A. Climate warming
B. Global change
C. Climate change

Random Topics:
Grammar - Countable/ UncountableVerb Tenses and Subject Verb AgreementDefinite and Indefinite ArticlesPronouns and QuantifiersModal ProbabilityPresent Simple TenseGrammar and ReadingArticles and DemonstrativesTypes of PrepositionConjunctions and PronounsOther quiz:
Grammar › ViewI did not know how long the poor old man _______ there and decided to after him a sandwich.
A. sat
B. had sat
C. was sitting
D. had been sitting
Basic Grammar › View
We have ___ aunt and ____ uncle.
A. We have an aunt and an uncle.
B. We have a aunt and a uncle.
C. We have aunt and uncle.
Articles and Demonstratives › View____ book is ____ instrument made to learn.
A. a….an
B. an….a
C. the….an
Grammar › View
Read the sentence.
My friend and I had a tight bond, but it was broken when she moved away and we no longer talked anymore.
The word “bond” has several meanings. What is the meaning of “bond” in this sentence?
A. a written promise
B. a strong connection between people
C. to tie two objects together
D. an overlap in construction to make strong