用英语解释下列句子,每空一词

用英语解释下列句子,每空一词
1、what's the length of the tabie?
---- ---- is the table
2、how old is he?
----- ----- his -------
3、how tall are you?
----- you ------?
4、l got a letter from my sitter sister yesterday
l ------ --------my sister yesterday
5、he is an architct.
he ------- ------- an architect