Ⅰ.单项选择
1．[2017·邵阳]—Frank, where is your father?
—He isn't at home now. He ________ New York.
A．has gone to B．has been to C．goes to
2．[2017·长沙]Shared bikes, which are environmentally friendly ________ quite popular among big cities in China since last April.
A．became B．have become C．will become
