A.require
B.required
C.requisite
D.requirement

A.proficiency
B.preference
C.achievement
D.benefit

A.blames
B.charges
C.insists
D.accuses

A.applying
B.application
C.applicant
D.applicable

A.semesters
B.intervals
C.durations
D.terms

A.\(\dfrac{2}{3}\pi {a^3}\)
B.\(\pi {a^3}\)
C.\(\dfrac{1}{3}\pi {a^3}\)
D.\(\dfrac{4}{3}\pi {a^3}\)

A.after they had arrived in the UEA
B.as soon as they arrived in the UEA
C.by the time they arrive in the UEA
D.when they arrived in the UEA

A.inconsiderate
B.unreasonable
C.unacceptable
D.unsuitable

A.generation
B.people
C.time
D.actions

A.He just comes up behind her.
B.He sings and dances with her.
C.He grabs her.
D.He sweeps her to the floor.