not understanding or knowing anything
Unaware
Unlucky
Unfortunate
Not reasonable
Unreasonable
created by technology thus not existing in real life
Virtual
a subject or problem people are talking about
Issue
easily annoyed by someone's mistake because you have to wait
Impatience
I have been seeing Jack for 2 months.
Grammatically correct or incorrect ?
Correct.
to start a device
boot up or start up
Not probable
Unlikely
unknown
to transfer a document for digital device to internet
Upload
to make a copy of a document in case it will be lost some day
Back up
not behaving your age
Immature
Present perfect simple is used for permanency
True or False
True
to stop an electronic device from being active
Turn off
not related to what being discussed
Irrelevant
not completely correct or exact
Inaccurate
Unfair
to decrease level of sound or light
Turn down
Present perfect simple is used to focus on the duration of an action started in the past and continues to the present
True Or False
False
Present perfect progressive is used to emphasize on completed present results.
True or False ?False
Present perfect progressive talks about the cause of unwanted result in the present
True Or False
True
Unique