There was such a long queue for the ticket that I ________ gave up, though I wanted to attend the concert so much.

I shall certainly not tell him the news. ________, it will go to his ears sooner or later. 

It's our hope that we will play a greater role in the market place and,      ,supply more jobs.

Make sure the gas is turned off after cooking, which would        cause danger to our life.

In the keen competition of this international tennis tournament, she ________ won the championship.