—It smells terrible. What has happened here?
—Look, there is a chemical factory ____waste water___ the river.
A. pour; into B. pouring; into C. poured; to
Maria didn’t hear me. She _______ with Betty.
| A．talks | B．is talking | C．talked | D．was talking |
—You look very sad. What’s wrong?
—Don’t worry. There is _______.
| A．something serious | B．serious something |
| C．nothing serious | D．serious nothing |
In the early 1800s, many workers called Monday “_______ Monday”.
| A．Blue | B．Yellow | C．Red | D．White |
Han Wenda is very funny and he often makes his classmates _______.
| A．laughing | B．laugh | C．to laugh | D．laughs |
It was raining hard _______ I got up this morning.
| A．if | B．when | C．after | D．until |