I suppose by the time I come back in ten years’ time all these old houses_______down

t doubt ______ he has the ability to deal with the situation, but ______ the problem can be solved quickly depends on his attitude.

There used to be no deer _____in the forest, but now they are very_____ in it. [ ]

With proper measures，the economy in China is beginning to ________again

he help of high technology, in thepast few years, electronic business __________tobank industry, travel industry.