He was hot and tired and his head was __________ (眩晕的).
You can __________ __________ (依靠) me for help. (rely)
I__________ __________ (受益于) the studying experience of my sister. (benefit)
The police __________ (怀疑) him of having taken the money.
The teacher tried to a__________ the cause of our failure.
The speaker had got confused and his states are __________ (互相矛盾的).