ПОМОГИТЕ!!!!!!!
1) ... know\knows famous architect.
2) ... is\are fairly old.
3) ... defended our country in 1941-1945.
4) ... work\works in a bank.
5) ... speak\speaks Russian.
6) ... speak\speaks other languages.
7) ... visited St Petersburg last year (some years ago)

1)I know a famous architect.2) it is quite old.3) he defended our Motherland in 1941-1945.4) he works in a Bank.5) she speaks Russian.6) they speak other languages.7) last year I visited Saint-Petersburg (several years ago)