So many women take up walking as a regular form of exercise every day, which, of course,is to their health.
.I really don’t know _______I kept the secret papers.
.The problem ________now is very important.
.— According to my grandma, it is a good idea to eat chicken soup when you have a cold. —________, scientists agree with her.
.— Catherine, I have cleaned the room for you.— Thanks, but you ________it.I could manage it myself.
._______from the top of the tower, the north foot of the mountain is a sea of flowers.