[ Grammar ]
Uncle Mike was listening to music while he … the burgers.
A. is frying
B. used to fry
C. would fry
D. was frying

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Grammar › ViewChoose the plural form of “parenthesis”
A. parenthesis
B. parentheses
C. parenthesises
D. parenthes
Gerund or Infinitive › View
He decided ___________ (study) Biology.
A. study
B. to study
C. studying
Grammar › ViewHow often do you ___________ tennis?
A. play
B. do
C. go
Grammar › View
He used to _________ very shy until he gained confidence.
A. Be
B. Being
