Eating healthy food can help us.

—How was your trip to New York, Jennifer?—Fantastic! That was the first time I _______ to such a big city. It’s so impressive.[ ]

here is my purse —_______! We’ll be late forthe picnic.

Where was ­­­____you met with the famous scientist?

I’m expecting for long to have a drone(无人机)to take photos, but my parents refuse to buy _______for me.