—Where is your brother?
—He has gone to Beijing. He back in three days.
| A．will come | B．comes | C．has come | D．came |
Earth is becoming more and more polluted. ______, people will move to Mars one day.
| A．In order to | B．So that |
| C．As a result | D．Because of |
_______ of the furniture in the museum ______ from Ming and Qing Dynasty.
| A．Two-thirds; is | B．Two-thirds; are |
| C．Two-third; is | D．Two-third; are |
—Why do you speak in ___ a loud voice? —Because I want to make myself ___ clearly.
| A．such; hear | B．so; heard |
| C．such; heard | D．so; hear |
—TV and computer are so popular these days.
—Yes, they can______ our eyes to the outside world.
| A．call up | B．open up |
| C．turn up | D．take up |
______ to improve our environment?
| A．What do you think we should do |
| B．Do you think what we should do |
| C．What do you think should we do |
| D．Do you think what should we do |