[ Grammar ]
The plane cannot leave the gate ________ all passengers are seated.
A. if
B. when
C. unless
D. even

Random Topics:
Grammar - FragmentsImperative SentencesSimple and Continuous TensesPresent Simple for Future ArrangementPassive Voice with Modal VerbsVerb to bePronouns and AntecedentsIf ConditionalsAntonymsPossesive Pronouns and Modals of AbilityOther quiz:
Grammar › ViewMy mother left without _____(say) goodbye to me.
A. To say
B. saying
Possessive Adjective › View
Someone has left … watch in the bathroom.
- its
- their
- his
- his or her