In the forest， you will ______ the birds sing if you _______ carefully.

I usually go for a walk in the park Saturday nights.

My friends always get better grades than I do. Whatshould I do–

Rolls-Royces is rhave two and now they are buyingthird．

Look! Here comes Cindy! She is always full of ______.— So she is. Because she takes a lot of exercise every day.