[ Grammar & Vocabulary ]
The company introduced reusable containers, ______ was a cost-effective and eco-friendly move.
A. that
B. which
C. it
D. what

Random Topics:
Reported Speech and TensesModals for RecommendationsWas & Were QuestionsAuxiliary WordsSubordinating Conjunctions and Complex SentencesFirst ConditionalsPhrasal VerbsPast Perfect Simple & Past Perfect ContinuousVerb Tense, Pronouns and AntecedentsNoun and Modal VerbsOther quiz:
Grammar and Vocabulary › ViewThe river in my town is very ______________. The water is as clear as crystal.
A. dirty
B. clean
C. smelly
D. dangerous
Grammar › View
Which sentence is in the past tense?
A. Crickets live in the tall grass out back.
B. Jason will count the coins in his collection.
C. I spent ten dollars on school supplies.
Simple Future Tense › ViewBy 2020, people in Viet Nam (spend) _____________________ a lot of money on heating.
A. will spend
B. will be spending
C. will have spent
D. spend
Grammar › View
Where is the book I gave you?
What ___________________ with it?
_
A. did you
B. has you done
C. has you been done
D. have you done
