We have achieved great progress.______,we are confident that

We have achieved great progress.______,we are confident that Progress so far has been very good,and we are confident that 改错 we have made a great progress --------- We are confident that we ______ our export sales by 15 perce ______ the cooperative spirit of our group,we have achieved progress so far has been very good.We are,------confident th Progress so far has been very good.We are,_____,confident th We finished the work ____,and achieved a great ______.(succe our teacher feels pleased that we have made progress rcently ________ great progress we have made,we should not be concei We have made little progress. we have achieved all that we expected.句子中为什么用that呢?可以用what不?