[ General Knowledge ]
Inside an aeroplane, flying at a high altitude…
A. The pressure is the same as it is outside
B. Normal atmospheric pressure is maintained by the use of air pumps
C. The pressure inside is less than the pressure outside
D. Normal humidity and partial vacuum are maintained
Select your answer:
Random Topics:
How many / How much - Is there / Are thereVerb Tenses and AgreementPresent Perfect Simple & ContinuousFuture Continuous TensePast Simple & Past PerfectPresent Perfect Adverbs and Indirect QuestionsUnderstanding Product Packaging and TensesGrammar: SyntaxArticles and QuantifiersTag QuestionOther quiz:
Gerunds › View_______the money, they began quarrelling about how to divide it.
A. Have found
B. Found
C. Having found
D. Finding
Grammar › View
The baby ___ when she is hungry.
A. cry
B. cries
C. crying
D. cried