We _________wait until the traffic light turns green when we cross the road.
| A．must | B．can | C．need | D．may |
She said she____ to England the next week.
| A．go | B．will go | C．went | D．would go |
Young trees____ quite often.
| A．should water | B．should be water | C．should be watered | D．watered |
She is heard_______ every day in her room.
| A．sings | B．sing | C．to sing | D．singing |
We ___________ for a long time. Shall we play for a while?
| A．study | B．Studied | C．have studied | D．are studying |
There ________ a speech tomorrow. Please come on time.
| A．has | B．will be | C．is going to have | D．will have |