Chuyển những câu sau sang câu bị động

1.  We don't use this kind of cloth to makeshirts.

2.  My grandmother is knitting a new sweater forme.

3.  You mustn't use this machine after 5.30o'clock.

4.  Somebody has taken mybriefcase.

5.  Tom is writing twopoems at the moment.

6.  They will hold the meeting before MayDay.

7.  People spend a lot of money on advertising everyday.

8.  The teacher returned our written work tous.

9.  The children are going to organize a surpriseparty.

10.  She often takes her dog for a walk everymorning.