78. After half a year’s practice he began to himself____ a worker in each aspect .
__________ I have to give a speech, I get extremely nervous before I start.
We are aware that,__________,the situation will get worse.
A man does not know the difficulty of anything __________ he does it personally.
You can borrow my car __________ you promise not to drive too fast.
__________ our manager objects to Tom's joining the club, we shall accept him as a member.