___you choose , you must stand by your decision .
| A．Wherever | B．Whenever | C．However | D．Whichever |
.（陕西卷24）. It is reported that many a new house at present in the disaster area.
| A．are being built | B．were being built | C．was being built | D．is being built |
（陕西卷21）. I have to see the doctor because I a lot lately.
| A．have been coughing | B．had coughed | C．coughed | D．cough |
（陕西卷15）. If we ___ the other road, we might have arrived here in time for the meeting.
| A．take | B．had taken | C．took | D．have taken |
. Up to now, the program ______thousands of children who would otherwise have died.
| A．would save | B．saves | C．had saved | D．has saved |
.（辽宁卷30）. I _______ all the cooking for my family, but recently I’ve been too busy to do it.
| A．will do | B．do | C．am doing | D．had done |