This problem may lead to more serious ones if ____ unsolved.
.(陕西卷24). It is reported that many a new house at present in the disaster area.
(陕西卷21). I have to see the doctor because I a lot lately.
(陕西卷15). If we ___ the other road, we might have arrived here in time for the meeting.
. Up to now, the program ______thousands of children who would otherwise have died.
.(辽宁卷30). I _______ all the cooking for my family, but recently I’ve been too busy to do it.