First, gradually increase a gentle walk to 20 minutes. This can be done every day or _____.

Being a parent is not always easy, and being the parent of a child with special needs often carries with___ extra stress.

he skirtis too expensive; its color too dD．Cheer up

May I have a cat at home, Dad—Yes, you can. But you must know how to ____________ it.

____ you ever _____to Yantai —Yes, three times.