[ Grammar ]
First, with solar panels, it is possible to produce electricity from rays of the sun. Once installed, they provide energy at no cost and with no pollution.
The word “they” means….
A. sun rays
B. electricity
C. solar panels
D. energy
Select your answer:

Random Topics:
Verbs and AdverbsV-ing/to-VModals and Adjectives (ed-ing)TOEFLClauses and ConjunctionPunctuating ClausesActive-Passive VoicesSo / Neither / Either / TooWH- Question WordsPersonal Pronouns and VerbOther quiz:
Grammar › Viewwhich type of sentence is the following: I saw Daniel, and I talk to him.
A. compound sentence
B. simple sentence
C. compound complex
Grammar › View
_____ the noise from the construction work, the children couldn’t concentrate on their lessons.
A. Although
B. In spite of
C. Because
D. Because of
