可选单词:rely、reliance、reliant、reliable、reliably
题目:
1、old and sick,Mrs.Smith is completely ()on her next-door neighbor to do all her shopping and cleaning.
2、Jenny is very () ——if she says she'll do something she'll do it.
3、Don't place too much ( ) on what he says. He's not so ( ).
4、the success of this project ()on everyone making an effort.
5、the new machine has now performed()for 2000 hours.