______hours do you exercise every week ? Nine hours.
| A．How many | B．How often | C．How much | D．How long |
--We failed in the English speech competition.
---What ____________news!
A. frustrating
B. a frustrating
C. frustrated
This pair of trouserssilk and cotton.
| A．is made of | B．are made of |
| C．is made from | D．are made from |
When to go for a holidayyet.
| A．has not been decided | B．have not been decided |
| C．are not decided | D．isn’t being decided |
The old man always made ushimin the fields.
| A．help; working | B．to help; to work |
| C．help; to work | D．helping; work |
Remember the post office and buy some stamps for me, won’t you?
| A．to go | B．going |
| C．to going to | D．to go to |