_____ that he isn’t adequate to the present job, he devotes all his spare time to studying  professional knowledge.

Let’s stop_____ and_____ a rest.

____ to complete the job on time, they set out to work immediately.

The purpose of technology is to make it easier, ______ it more difficult.

As soon as she entered her own room, she caught sight of the gift _____ by her father.

___ the room, the nurse found the tape-recorder ___.

The Hotel Al Arab ______ the first and only 7-star hotel in the world was designed in the
shape of a sail of 321 meters.  

There are so many beautiful cars________, but he is at a loss which to buy.

The old lady came in,____ herself with a walking stick.

Thanks to the measures ______ by the local government , the polluted river is becoming clearer and clearer and fish have begun to show up in it.