11.  If you eat too much fruits , it's bad for your stomach.

12.  She have to look after me carefully, she also have to do much housework.

13.  there has much water and some hills .

14.  Because on summer holiday I can read lots of books, I can get much knowlage in those books.

15.  it took us much time to catch a bus.

16.  In China the southern part have much water than the northern part.

17.  In China has too much mountains.

18.  This is most different from, Chinese people to spend much time on the meal .

19.  If they waste much time to practise .

20.  In the water there's much send , stones, corals and some water grasses in it.