------So you gave her your phone?
------_____, she said she’d return it to me when she could afford her own.

He devoted himself ________ to his research work, having no time to play.

When knowing there was a panda in the zoo, the children could _____ wait to see it.

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

A model or an experiment in a science class can help us see things which would_______ remain hidden.

----I was riding along the street and all of a sudden, a car cut in and knocked me down.
------You can never be _____careful in the street.

Linda failed in the driving test.______, she doesn’t lose heart.

You must turn off the gas after cooking. You can never be ______ careful with
that.

Once he makes up his mind to do something, he will devote himself _________to it.

Noise is unpleasant, _____ when you are trying to sleep．