Our Chinese teacher is very kind to us. So we all regard her _____ our best friend. [ ]

I feel so nervous before the exam that I can’t sleep well at night. — I think having a holiday will_______ help you relax.

I still remember the first park_________ I visited in my life.

Lucy is a _______girl. —Yes, she always studies hard at night.

Where’s Lucy?—I’m not sure. She ________ in the school library.