The flowers his friend gave him will die unless every day.
| A．water | B．watering | C．watered | D．to water |
—I’ll call Bob and tell him the good news.
—You __________ do that. He was here just now and heard it.
| A．couldn’t | B．mustn’t | C．shouldn’t | D．needn’t |
Susan __________ for our newspaper any more. She has been hired by a fashion magazine.
| A．doesn’t work | B．wouldn’t work | C．didn’t work | D．hadn’t worked |
We should go to the cinema early. __________, there won’t be any tickets left.
| A．However | B．Otherwise | C．Besides | D．Instead |
—Why didn’t you answer the phone when I called you last night?
—Sorry, I __________ a bath upstairs.
| A．am having | B．have | C．was having | D．had |
The boys enjoy playing basketball __________ many of the girls relax by playing ping-pong.
| A．while | B．or | C．since | D．if |