A recent government report has warned that ______ we act immediately to reduce pollution, there will be serious consequences for the planet.
A. Provided that
B. In case
C. Unless

Random Topics:
IELTS GrammarConjunctions - Conjunctive AdverbsCan vs CouldVerb TensesAdverbial PhrasesGrammar SuffixesPast Tense (Regular and Irregular)Definite and Indefinite ArticleAbilityGerund - to InfinitiveOther quiz:
Grammar › ViewWhen there is a collective noun, the verb can be singular or plural, depending on whether the noun is referring to a group as a whole or to individual members of the group. What is the correct verb form to complete the sentence? The flock of birds (is/are) flying south.
A. Is
B. Are
C. Was
D. Were
Grammar › View
Can you go to the shop? We need some _____ .
A. potatos
B. potatoes
C. potato
Modal Verbs › ViewIt’s very warm outside. You _____________________ take a coat with you.
A. Must
B. Mustn’t
C. Needn’t
Past Tenses › View
The company _______ (expand/expands/expanded/expanding) its operations last year.
A. expand
B. expands
C. expanded
D. expanding