[ Grammar ]
You _________ open the door on an airplane when it is in the air
A. Mustn’t
B. Shouldn’t

Random Topics:
Infinitives and ING FormsGrammar - Be going to-Ing and Infinitive Verb PatternsPresent Perfect or Past Simple TenseSecond ConditionalsPast Perfect Simple TenseSimple Present and Present ContinuousPast PassivePassive with ModalsSimple Present Negative and QuestionOther quiz:
Few, a few, little, a little › ViewThere are ______ people at the bus stop.
a. little
c. a little
c. much
d. many
Grammar › View
A thick dictionary and an eraser……on the table.
A. am
B. is
C. are
D. do
Future Perfect Tense › ViewBy this time next year, Brian ————— a doctor.
A. will become
B. will have become
C. will have became
Grammar & Vocabulary › View
. He decided he didn’t need so many employees in his team, so a lot of people __________ their jobs.
A. lost
B. lose
C. were losing
