[ Modals in the Past - Speculation and Deduction ]
The government _________ implemented a more efficient process for naturalization to reduce delays. However, they weren’t aware of the increasing in immigration.
A. could have
B. must have
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Grammar › ViewHer picture is now _____ on my desk.
A. sitting
B. setting
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“Has anyone ever ____ an albino tiger before?” Miss Chua asked her students?
A. see
B. saw
C. seen
D. sees