Don’t handle the vase as if it _________ made of steel.
| A．is | B．were | C．has been | D．had been |
In order to find the missing child, the villagers___________ all they can in the past five hours.
| A．have been doing | B．did | C．do | D．had done |
With a lot of problems _________,the manager felt like a cat on hot bricks.
| A．solved | B．solving | C．to solve | D．being solve |
._______________ you have finished your work,you might as well relax yourself now.
| A．Now that | B．After | C．Although | D．As soon as |
The top leaders of the two countries are holding talks in a friendly ______________.
| A．atmosphere | B．sate | C．situation | D．phenomenon |
