they are（）their grandmother’s seventieth birthday.

单项选择题The old buildings were restored to their（）condition.

A.original
B.first
C.before
D.past

单项选择题We all agree with him on（）he said.

A.what
B.how
C.which
D.why

单项选择题-Sam，could you please pass me the salt？-（）.

A.Yes，I could.
B.Here are you.
C.Here you are.
D.Let me give you.

单项选择题A.Refunding for goods returned.B.Free installing of appliances.C.Prolonged goods warranty.D.Complimentary tailoring.

单项选择题A.Mail a gift card to her.B.Allow her to buy on credit.C.Credit it to her account.D.Give her some coupons.

单项选择题A.It has started a week-long promotion campaign.B.It has just launched its annual anniversary sales.C.It offers regular weekend sales all the year round.D.It specializes in the sale of ladies' designer dresses.

单项选择题A.Price reductions for its frequent customers.B.Coupons for customers with bulk purchases.C.Free delivery of purchases for senior customers.D.Price adjustments within seven days of purchase.

单项选择题A.In toy stores.B.In shopping malls.C.On the Internet.D.At Barbie shops.

单项选择题A.They are thin, tall, and unlike real human beings.B.They have more than twenty different hair textures.C.They have twenty-four different body shapes in total.D.They represent people from virtually all walks of life.

单项选择题A.They reward businesses that eliminate food waste.B.They prohibit the sale of foods that have gone stale.C.They facilitate the donation of unsold foods to the needy.D.They forbid businesses to produce more foods than needed.