6.It is illegal for a public official to ask people for gifts or money ___________ favors to them.( )
A. | in preference to | B. | in place of | ||
C. | in agreement with | D. | in exchange for |
4. a strange plant!I've never seen it before.( )
A. | Which | B. | What | C. | How | D. | Whether |
3.I'll go to the library as soon as I finish what I .( )
A. | was doing | B. | am doing | C. | have done | D. | had been doing |
2.No matter how ,it is not necessarily lifeless.( )
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A. | a desert may be dry | B. | dry a desert may be | ||
C. | may a desert be dry | D. | dry may a desert be |