[ Grammar ]
We …….. protect the planet. We are obliged to care for our world
A. must
B. could
C. might
D. needn’t

Random Topics:
Vocab CheckingGrammar - direct/indirect objectsPersonal Pronouns and VerbSentencesModal Auxiliaries and To Be VerbsVerb to beMixed ConditionalsModal and Relative PhrasesTransition WordsGerund vs InfinitiveOther quiz:
Some/any/every/no + Body/thing/where › ViewHave you got _____ you need for the picnic? I can help you get it if necessary.
A. Something
B. Everything
C. Nothing
D. Anything
Vocabulary and Grammar › View
We should protect the ________________.
A. environment
B. environmental
C. global warming
