When I ___ in the kitchen, nothing made me feel betterthan preparing the eggs and serving them just the way the customers wanted.

Not until yesterday that I had made a serious mistake.

Pollution has reached ______ high levels in some urban areas, which is quite worrying [ ]

ays to praise your children often,_________ you’ll find they will open their hearts to you

Whenever we were ___, he is always ready to ___ us some help.