Jack narrowly fell off the cliff, but managed to__________ until help came.

What do you think of the young lady — She is hard-working. She________ all her effort into her work before she got ill.

Can you play ________ guitar—Sure. It’s a piece of cake for me.

A proposal has been put forward at a recent video conference _______ measures be taken to raise the citizens’ awareness of traffic safety.

He once worked in a company, _____ he went abroad for further study.