Don't press the red button ,_______you will set off the alarm.
| A．but | B．or | C．so | D．and |
David will probably ___, but Martha must leave early.
| A．stay late | B．be late to stay | C．being late | D．staying late |
Mr Anderson left for Colombia two months ago.That’s a pity. I wish___.
| A．I’d meet him | B．I’ll have met him | C．I’d have met him | D．I’ll meet him |
Bill and Betty travelled a long distance __their vacation.
| A．on | B．in | C．at | D．about |
In this way the work can be finished ___.
| A．more soon | B．much more sooner | C．much soon | D．much sooner |
China is a developing country __ the third world.
| A．belonged to | B．belonging to | C．which is belonged to | D．belongs to |