[ Grammar ]
Bob ____________ write letters last year.
A. can
B. could
C. can´t

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Grammar › Viewthe muscles of the larynx; also called vocal cords
A. vocal box
B. vocal folds
C. voice box
D. voice folds
Modals of Necessity and Suggestion › View
Choose the correct sentence:
A. In Hong Kong, the weather is nice in the fall. You can go there then.
B. In Hong Kong, the weather is nice in the fall. You ought to go there then.
C. In Hong Kong, the weather is nice in the fall. You need to go there then.
D. In Hong Kong, the weather is nice in the fall. You don’t have to go there then.