Every possible means ________ to prevent the air pollution，but the sky is still not very clear.
| A．were using | B．have used |
| C．has been used | D．was used |
Readers can __quite well without knowing the exact meaning of each word.
| A．get along | B．get over | C．get in | D．get through |
The first textbooks written for teaching English as a foreign language ____ in the 16th century.
| A．came about | B．came out | C．came along | D．came up |
This photo of mine was taken__________ stood the famous high tower.
| A．which | B．in which | C．where | D．there |
--Do you live____________ near Jim?
--No, he lives in another part of the town.
| A．somewhere | B．nowhere | C．anywhere | D．everywhere |
On the long journey, Peter ________ a most interesting guide. We all had a wonderful time.
| A．practiced | B．behaved | C．proved | D．conducted |