“You’ll have to wait for two hours, ________ is, at about 11:30, ________ the medical report will come out.” the doctor said to me.[ ]

What will you buy for your husband’s birthday—I want to buy a wallet for him.

Must I finish that work today— No, you _____. You may finish it in threedays.

The government decided to tear down the old bridge, which was not strong enough to allow the ___ of heavy vehicles (车辆).

It’s a beautiful desk which was ____ wood.