(2013·大纲卷)I got to the office earlier that day, the 7:30 train from Paddington.
He always did well at school _________ having to do part-time jobs every now and then.
---- Is Mary coming to the concert? ---- I think ________.
---- Have you been here long? ---- _______.
________ mud on his trousers brushes off easily.
The young lady was careful _________.