根据课文内容填空(每空不限词数；共6个空格，每空格1分，满分6分)

根据课文内容填空(每空不限词数；共6个空格，每空格1分，满分6分)
NCE 47
We keep trying all four methods, but the 小题1: we produce worldwide 小题2: .
NCE 48
We expected the path 小题3: , but we found that it 小题4: through the trees.
NCE 49
…, but Bessie seemed unable 小题5: . She 小题6: and kept mumbling about the guests.