------You’ve left the light on.
------Oh, so I have. _____________to turn it off.
| A．I’ll go | B．I’ve gone | C．I go | D．I’m going |
The rainbow _____ as the sun came fully out from behind the clouds.
| A．dissolved | B．removed | C．resigned | D．disappeared |
The car salesman took the customer for a driver in the new model in order to _____ its improved features.
| A．advocate | B．demonstrate | C．exhibit | D．reveal |
Can you _____ me _____ two hundred copies of this article by tomorrow.
| A．give .. out | B．send .. in | C．write .. off | D．run .. off |
Bill is not a fast runner and he doesn't have a chance of winning the marathon, but he will _____ the race even if he finishes last.
| A．keep on | B．keep to | C．stick out | D．stick to |
The store had no more red shoes _____, so Mary chose brown ones instead.
| A．in demand | B．in store | C．in need | D．in stock |