You should ________ your son. He works harder than before.—Thanks, I will.

There are still many people suffering a lot，and we are to do something to________poverty

In fact, the chances of anybody ______ by awhale are rather low.

__ the morning of the weddingceremony, the bride and groom have to serve tea to their parents.

I ____ my close friend three times today but her line was always busy.