摘要： I find it a bit difficult in class, because I kept on about the match in the afternoon. A. work, think B. thinking, thinking C. to work, think D. to think, thinking
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I find it a bit difficult ________ in class, because I kept on ________about the match the whole afternoon.
- A.work, think
- B.working thinking
- C.to work, think
- D.to think, thinking