1 There were many people waiting at the bus stop, ________ some of them looked very anxious and disappointed . 2 There was a way to help him recover, _____ his parents did not have enough money to pay for his medical needs. 3. He got out of the bed, took a book _____ sat by the window .

Tip2：并列(coordinating)与从属(subordinating)连词。 (1)若两个或几个单词、短语或句子之间没有连词，可能是填并列连词and, but , or, so等 。

but

无提示词

2.填连词（conjunction）

and

and