根据句意,用括号内所给词的适当形式填空
1.Ten _______(Japan) are reported lost in the mountains.
2.On my way to school,Ifound a wallet ________(lie) on the ground.
3.I am looking forward to ________(hear) from you.
4.You should have more __________(confident) in yourself.
5.It's hard to __________(communication) with foreigners if you can't speak English well.