up to now造句
151. Up to now , hot-working and cold-working have been continued to improve the properties of materials.
152. Up to now, she has sported an embryonic tail, which is actually an extension of her tail bone.
153. Up to now, scholars has achieved plentiful and substantial production in the research of BC, but there's still disparity comparing to the research of western church music.
154. Prediction of lowly homological protein secondary structure is still a difficult problem up to now.
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