You should write him a letter (否定句) You ____ write a letter ___ him
You should write him a letter (否定句) You ____ write a letter ___ him He asked when we should leave (简单句) He asked us when ___ ___ There are a lot of things you could do(同意句) You ___ ___ a lot of things ___ ____
You should write him a letter (否定句) You _shouldn't___ write a letter _to__ him He asked when we should leave (简单句) He asked us when _to__ __leave_ There are a lot of things you could do(同意句) You _have__ _got__ a lot of things __to_ ___do_