问题
选择题
—I had been working till 4∶00 a．m. to prepare a report for my boss.
—________you look very tired.
A．No doubt
B．No hurry
C．No wonder
D．No need
答案
答案：C
考查交际用语。A不怀疑；B不忙；C不奇怪；D不需要。句意：——为了为老板准备报告，我一直工作到早上4点。——难怪你看起来很累。