1. We don't use this kind of cloth to make shirts. 2. My grandmother is knitting a new sweater for me.

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

4. Somebody has taken my briefcase.

5. Tom was writing two poems.

6. They will hold the meeting before May Day.

7. People spend a lot of money on advertising every day.

8. The teacher returned our written work to us.

9. The children are going to organize a surprise party.

10. She often takes her dog for a walk every morning.

btw ,whats the question what do we have to do in these questions

Explanation:

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

2. My grandmother is knitting a new sweater for me.

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

4. Somebody has taken my briefcase.

5. Tom was writing two poems.

6. They will hold the meeting before May Day.

7. People spend a lot of money on advertising every day.

8. The teacher returned our written work to us.

9. The children are going to organize a surprise party.

10. She often takes her dog for a walk every morning.

the answer is c. he is an efficient leader who prompts his crew to work quickly .

explanation: