Question

   clean up,cheer up,put off,hand out,come up with

1. We should       our classroom every day.

2. The volunteer could        food at the food bank.

3. We can't       making a plan about our study.

4. The kind nurse often        those sick children.

5. We       a lot of ideas about how to learn English well.

Answer 1

1. clean up   2. hand out   3. put off

4. cheers up   5. come/came up with