She volunteers her time _____ help Xiao Lin with his English. [ ]

________, the Internet was only used by the government. But now it’s widely used in every field.[ ]

Being a disabled man, he has difficulty ________________

I prefer watching TV to ______ music every day.

Where is the School English Speech Contest going to be held tonight?— I’m not sure. Is it in the hall _____ can hold 300 people?