[ 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 › View_____ when haven’t they seen each other?
A. For
B. On
C. Since
Grammar › View
Two-thirds of the population ____________________ of the death penalty.
A. Disapprove
B. Disapproves
My 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
