Chinese Premier Wen Jiabao _______an important speech on April 30,2011 in Indonesia, __________he is currently on an official visit .
__________ 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.