单项选择题
A．despite B．regardless C．because D．on account
—I was pleased to hear the news. --So ______.A．do IB．am...
单项选择题—I was pleased to hear the news. --So ______.
It's very informal here, you ______ wear a tie unless y...
单项选择题It's very informal here, you ______ wear a tie unless you want to.
When I got to the station the train ______ left.A．alrea...
单项选择题When I got to the station the train ______ left.
