Let’s_____thedolphinsfirst．Theyareverysmart.

The children _______ a PE class on the playground when it suddenly began to rain.

Don’t worry, sir. I’m sure I can run _________ to catch up with them.

Not only Jam but also his parents _______ a few interesting places since they came to China.

I stopped the car ____ a short break as I was feeling tired.