g on a frozen sports field sounds like a lot offun. Isn’t it rather risky, ____

1I’m going to be late forwork. There’re ＿＿＿ buseson this route(线路).

Did Bob hurt badly that day—_______ . He didn’t come to school these days.

Will you go thereby_____train—-No, I’ll take ______ taxi.

Her mother _______ watch TV every day.