Did you see Mary and her sister this morning?– Yes, I saw _________ girls playing in the playground.

He wants to be a doctor when he ________.

I’m having a good time __________photos. It’s interesting.

I feel it hard to keep up with my classmates in study and sometimes I lose heart. But whenever I want to ________ , my teacher always encourages me to work harder.

Don’t be discouraged．_______ things as they are and you will enjoy every day of your life．