Question

–Why were you late for school this morning?
–I got up very early this morning, ________ I didn’t catch the first bus.

A．and

B．but

C．or

D．so

Answer 1

B

解析试题分析：句意：你今早为什么上学迟到了？我今早起的很早，但是我没有赶上第一班公交。A. and“并且”；B. but“但是”；C. or“或者，否则”；D. so“所以”。联系爱上下文，可知是转折关系。故选B。
考点：考查连词的辨析。