He the job well, but he so careless. A. had done; had been B. could do; was C. c
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He _____the job well, but he ____so careless.
A. had done; had been B. could do; was
C. could have done; was D. hadn’t done; had been
试题答案
C
解析:
答题的关键在于抓住句中的but，but后面的句子是对过去事实的陈述，应用一般过去时；前面的句子则表示“本来能够……”，是对过去事情的推断，因此应用could have done，句意为“他本来能够做好那工作，但他太粗心了。”