Образуйте герундий от глагола в скобках и переведите предложение.

1. It’s no use (explain) this difficult problem to Tom. He won’t understand.
2. These educational articles are worth (read).
3. I can’t help (laugh) when I watch a come­dy.
4. My parents had no idea of my (come) back so soon.
5. The girls were busy (pack).​