Whenever you have a chanceEnglish, you should take it.

When you see some waste paper on the ground, you should _______ and put it in the trash bin.

Wow! How beautiful! _________ flowers are these?—Today is Mother’s Day. They are for _________, Mum.

Here is the knife. You can ask your mother ___the apple for you.

Have you heard of Steven Jobs, the co-founder and CEO of Apple? —- Yes, but it’s a pity that he has _____ for a half year..