Can you help me ______ my ping-pong ball? ---Sure.It’s in your drawer.

—Will you please help me to repair the computer now? —Sorry. I’m too busy and I haven’t a minute to ________.

 --- Tom, where is your father?　 --- I’m not sure. He_______ in his office.

He is so careless that he often         his school things at home.

We are going to Beijing. Can you _______________when the train will leave ?