Mr. Irvine, who ________ in a high school for forty years, is now living in retirement.

He is rather difficult to make friends with, but the friendship of his, _____, is truer than that of anybody else’s.

I left them alone, as I felt I was _____[ ]

下列各句中，没有语病的一句是

__ _in a heavy traffic jam in a taxi whileyou are hurrying to the airport is quite a unpleasant experience．