1.没有一个人计划去登长城.
Everyone _did_____ _not_______ __plan_______ to walk up the Great Wall
plan to do 计划做
因为计划有“已经决定”的含义,所以用过去式
没有 用否定
2.Lin lin often practices English ____B____ chatting with her American friend.
A.in B.by C.for D.with
by doing sth 通过做某事……
3.Things made by hand are usually more expensive than ___D_____ produced in factories.
A.these B.this C.that D.those.
手工制品比那些在工厂里生产的（商品）要贵得多.
those 代things 根据语境选thoes而非these