一.1-5.CBCCA 6-10.BACAB 11-15.ABBCC 16-20.BACCA

二.1-5.BBADC 6-10.DCADC 11-15.CBACC 16-20.DDDCC 三.1-5.BCDAA 6-10.ADBDC 11-15.CABDC

四.1-5.DCDAB 6-10.ACBBD 11-15.CDBDB 16-20.DADCB 五.1.There used to be a river in front of my house.

2.home

3.但是現在隨著村子的'發展,一切都發生了很大的變化。

4.Because the trees have been cut down.

5.But now,with the development of my village,everything has changed a lot.

六.1.southern 2.impossible 3.action(s) 4.taking 5.harmful

6.have taught 7.factories 8.attraction 9.marriage 10.clapped

11.development 12.Unluckily 13.natural 14.unpleasant 15.was having

七.took excited more view wonderful theme gift also enjoyed visit