[ Grammar ]
Human food may be very harmful for some animals, —- is why they won’t let us feed the animals at the zoo.
A. which
B. whom
C. when
D. why
Random Topics:
Lay vs. Lie Comma Past Perfect Continuous TenseGerundsWish clauseVerbsInversion + Passive VoiceConditional SentenceAuxiliary Words
Other quiz: Give, do and make
I have ………. hundreds of exercises on grammar and vocabulary this week.
A. given
B. made
C. done
How to use : Read the question carefully, then select one of the answers button.