It was ____ a ruler ____ he spent two yuan.A.buy; which B.buying; that C.to buy; that D.buying; which我觉得这里是一个强调句型,排除AD；然后,去掉it was 和that句子仍要完整的话,就只能选C.

Is it a ruler? It is ( )ruler. A.a long red ruler B.a red long ruler C.long ruler D.red ruler _____ a ruler ? yes,____. A.Is this, it is B.Is that,it‘s C.this is, it's ______?That's my ruler.A.Whose ruler is it?B.What ruler is it? It was ____ a ruler ____ he spent two yuan.A.buy; which B.buying; that C.to buy; that D.buying; which我觉得这里是一个强调句型,排除AD；然后,去掉it was 和that句子仍要完整的话,就只能选C. 句子改错：Is it a your ruler? is,ruler,a,it 连成句子 it's a ruler?改复数句 it*s a ruler怎样变成问句 It's a yuor ruler 修改病句 This is a ruler._____ ruler is blue中____应填写The,还是A? It's a ruler.对a ruler提问_ is it A:May I use your ruler B:My ruler is too ____(short) Lucy has a long ruler (改为同义句） Lucy's ruler ___ ____ -May I use your ruler?-________.A.Yes,please B.You are nice C.It doesn't matterD.It was a pleasure It rained a lot last year.(改为同义句) There was ____ ____ ____ last year. What a ____(wind)day it was yesterday This is a long ruler,and that is a short( )A.it B.one C.ruler