College Writing Skills with Readings 8th Edition by John Langan

تمرين 27

Underline the -ing or to fragment in each item. Then rewrite each item, correcting the fragment by using one of the three methods described above.
Searching for the right filament for his incandescent light bulb. Thomas Edison (1847-1931) found that a strip of carbonized bamboo could glow for 1,200 hours.
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