No potatoes for me—I’m _______ a diet

May I go to the concert with you?– I’m afraid not ______you have a ticket, because Ihave only one.

Why don’t we choose that road to the village—The bridge to it ______

The number of foreign students attending Chinese universities _____ increasing steadily since 1997.[ ]

We _____ more than 1,600 words since we began to learn English.