How’s your tour around the North Lake? Is it beautiful?— It ________ be, but it is now heavily polluted.[ ]

Have you ________?—No. I had the wrong number.

Excuse me, may I use your car?— I’m sorry.I’m afraid I can’t ________ the car key just at the moment.[ ]

You have moved again? Would you please let me know your _______ address ?— No problem.

Stop ___________. She is practicing __________ the piano.