[ Modals ]
You ____________ wait your turn in the queue.
A. have to
B. don’t have to
C. shouldn’t
D. must

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Grammar › ViewIts Market share (go) up faster than ever before.
A. goes
B. go
C. is going
D. gone
Grammar › View
When do you use the verb has?
A. When the subject is plural
B. When I is the subject
C. When you is the subject
D. When the subject is singular