Physics____ ____useful subject in our daily life.
| A．is , a | B．are, an |
| C．is, an | D．are , a |
They arrived_____Shanghai__________a cold morning.
| A．in , in | B．in, on |
| C．at, on | D．at, in |
—There _______ a football match this evening.—Exciting news.
| A．are going to be | B．will have |
| C．is going to be | D．is going to have |
—I had a backache. I can’t sleep. —_______
| A．Don’t worry. | B．Not so well. |
| C．I’m sorry to hear that. | D．Why? |
Sam spends two hours _______ his homework every day.
| A．to do | B．doing |
| C．do | D．does |