[ Modal Verbs for Speculation ]
Who’s the person with Billy? Perhaps it’s his sister. The person with Billy_________________his sister.
A. Must be
B. Could be
C. need to
D. has to be
Select your answer:

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Grammar › View“Why is ___________ so angry with you?” asked Siew Lan.
A. we
B. you
C. he
D. they
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My sons ……. computer games now.
A. Play
B. Plays
C. Are playing
D. Is playing
