一、用适当的连词填空: 1.Dr.Bethune(白求恩)came to China_____he was fifty. 2.He began to work_______he go there. 3.Let's begin our meeting_______everyone is here. 4.I like the English people,_____I don't like their food. 5.____you go in China,you can see smiling faces. 6.He didn't come to the lecture,_______he was very busy. 7._____we had enough time,we walked to the cinema. 8.They will help you______you meet with difficulty. 9._________wecametotheuniversity,wehavelearntquitealot. 10.I didn't join the my ester day evening______I had to go to an important meeting.