1、The dentist took out two of my _D___. A.toothes B.tooth C.tooths D.teeth 2、My mother is visiting America.（改为同义句） My mother is _paying___ a _visit___ to America. 3、I'll call you _C___ I return. A.until B.till C.as soon as D.because 4、We're discussing where __to go__(go)（适当形式填空） 5、There is no time _thinking___(think) about the nice present.（同上）
1、The dentist took out two of my _D___. A.toothes B.tooth C.tooths D.teeth 2、My mother is visiting America.（改为同义句） My mother is _paying___ a _visit___ to America. 3、I'll call you __C__ I return. A.until B.till C.as soon as D.because 4、We're discussing where __to go__(go)（适当形式填空） 5、There is no time __to think__(think) about the nice present.（同上）
不定式作定语
