-I had been working till 4 a. m. to prepare a report for my boss.- you look very
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—I had been working till 4 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
试题答案
C
No doubt毫无疑问，No hurry不急，No wonder难怪，No need没有必要，句意：我一直工作到凌晨四点为我的老板准备了一份报告。难怪你看起来非常累。故选C。