[ Modals ]
How would you express that it was likely that Watson was at the store?
A. Watson may have been at the store.
B. Watson must have been at the store.
C. Watson could have been at the store.
D. Watson should have been at the store.

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Modal Verbs › View“She ___ finish her project on time if she starts now.”
A. could
B. must
C. can
D. might
Grammar › View
The TV documentary was the … thing on TV last night.
A. most interestiest
B. most interesting
C. most interestier