as the nation (1 ),new states were formed and there ( 2 ) new stars on the flag.1 A grew B grows C growing D have grown2 A are B were C have been D had been

问题描述:

as the nation (1 ),new states were formed and there ( 2 ) new stars on the flag.
1 A grew B grows C growing D have grown
2 A are B were C have been D had been

A
B