With the country’s population reaching 1.6 billion in the mid of this century, most of China’s rivers, including the Yellow River, ________.
| A．is drying up | B．will be drying up | C．dry up | D．have dried up |
He always brings me a pretty gift he comes to visit me.
| A．by the time | B．every time when | C．every time | D．at times |
Do remember to be ________. We must avoid any possible risks when doing this dangerous chemical experiment—burns, poisonous gases or cuts from broken tubes.
| A．cautious | B．thoughtful | C．considerate | D．curious |
All the settlers nearby demanded that the night clubaway as soon as possible.
| A．remove | B．was removed | C．shall be removed | D．be removed |
It _____ to chat online all day long. You’d better do something else.
| A．makes no sense | B．makes no difference |
| C．makes sense | D．makes difference |
For a moment nothing happened. Then all shouting together.
| A．voices had come | B．came voices |
| C．voices would come | D．did voices come |