题目内容
It is really a challenge for me to finish it. In order not to be disturbed, I spent three days ______ in my study surfing the internet to do the research.
A. locking B. locked C. to lock D. lock
B
【解析】略
|
短文改错
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题目内容
It is really a challenge for me to finish it. In order not to be disturbed, I spent three days ______ in my study surfing the internet to do the research.
A. locking B. locked C. to lock D. lock
B
【解析】略
|
短文改错
| |||||||||||||||||||||||