[ Grammar ]
Correct the following text by inserting one comma.
We could add a solar heating system to the greenhouse or we could build a rainwater collection system for the same cost.
A. Place a comma after the word “could.”
B. Place a comma after the word “or.”
C. Place a comma after the word “greenhouse.”
D. Place a comma after the word “system.”
Select your answer:

Random Topics:
PunctuationsComparatives ( adj/ adv)Linking WordsArticles with SubstancesModals Of SpeculationGrammar ModalsPassive of Modal VerbsFamily VocabularyPast Tense & Present Perfect TenseCan vs CouldOther quiz:
Adverbial Clause / If / Comparatives › ViewIf Peter _________, Sarah will be sad because she wants to meet him very much.
A. comes
B. do not come
C. does not come
D. will come
Verbs and Subject Verb Agreement › View
The teacher as well as the students _____praised for the project results.
A. was
B. were
