Fill in the blanks (CBSE pattern)
1.Choose the most appropriate option from the list to complete the following passage. . Legend tells us that in about three thousand years B C a Chinese Empress, (a) ___________ taking her tea, out of curiosity, dipped the cocoon of a silk worm (b) ___________ it and learnt to (c) ___________ the fine thread of silk of which it was composed. It was nearly five thousand years later (d) ___________ a French man, experimenting with crushed leaves of the mulberry tree, (e) ___________ which the silk worm feeds, (f) ___________ out how to produce a silk filament which we now call artificial silk. (a) (i) while (ii) when (iii) as (iv) on (b) (i) in (ii) on (iii) to (iv) into (c) (i) unwinding (ii) unwound (iii) unwind (iv) unwinds (d) (...