[ Subject Verb Agreement ]
Rising levels of carbon dioxide in the atmosphere ______ the growth of trees but ______ trees to die younger.
A. increases, causes
B. increases, cause
C. increase, cause
D. increase, causes

Random Topics:
Modals of Necessity and SuggestionGrammar: Imperative and Exclamatory SentencesConditional Sentence Type 2Tenses and Word FormationVocabulary and Verb TensesPronouns and Antecedents-Ing and Infinitive Verb PatternsSimiles, Metaphors, Personification and HyperbolePast Perfect vs Past SimplePassive SentencesOther quiz:
Passive Voice › ViewTom opens the door. The passive is …
A. The door was opened by Tom
B. The door opened by Tom
C. The door is opened by Tom
D. The door is being opened by Tom
Future Tenses › View
I _______ my homework by 9 p.m. (completed action before time in future)
A. will have been doing
B. will have done
C. will be doing
Subject Verb Agreement › ViewEverybody _____ it will be sunny on Saturday.
A. hope
B. hopes
C. Is hope
Grammar: Have to › View
You ____________ wear a mask in your house. It’s not necessary.
A. have to
B. has to
C. don’t have to
D. doesn’t have to