[ Modal Verb ]
A: Julester looks so slim.
B: Has she been dieting?
A: Not that I am aware of.
B: Well, she _______ very hard then. She goes horse riding, doesn’t she?
A. must have been exercising
B. was exercising
C. had better exercise
D. will have been exercising

Random Topics:
Verbal TensesQuantifiers & Modals of ObligationSimple, Complex, Compound SentenceConditional and SubjunctiveComparison Degree & GerundsFuture Perfect vs Future ContinuousFuture - be going toRelative Clauses and Past PerfectBecause / soInversions and SubjunctiveOther quiz:
Grammar › View_______ is Smart Bookshop ?
It is in front of the Police Station.
A. When
B. What
C. Where
D. How
Grammar › View
_________ girl wears pink dress.
A. Every
B. Each
C. Both
D. All