Jack with his two kids to the beach for vacation every year.

Our teacher told us that there ________ no end to learning.

While I admit that English words keep escaping from our memory, constant ______ to them not only increases our understanding of them, but likely plants them into our mind.

Even a drop of water ______because it is soimportant to all the living things.

I talked for a long time, and in the end I ____ make her believe me. [ ]