1、 Outside my office window there is a fire ____ on the right.

2、 I ____with the Browns during my stay in New York City.

3、 Operations which left patients ____ and in need of long periods of discovery time now leave them feeling relaxed and comfortable.

4、 Farmers are allowed to grow small gardens of their own and they sell their vegetables ____ the black market.

5、 The electric fan does not work because of the ____of service.

6、____native to North America, corn has now spread all over the world.

7、 Our civilization cannot be thought of as____in a short period of time.

8、 We feel it is high time that the Government ____something to check the inflation.

9、 It has been proposed that we____our decision until the next meeting.

10、 Hurricanes are severe cyclones with winds over seventy  five miles an  hour ____originate over tropical ocean waters.