In no way ______leave ______ little children alone．
A．we must; so B．must we; such C．must we; so D．we must; such
— What does the sign over there read?
— No person ______ smoke or carry a lighted cigarette, or pipe in this area．
A．will B．must C．may D．shall
．How long is it ______ we last spent the holiday in the country together?
A．until B．before C．since D．that
— Can you come on Friday or Saturday?
— I’m afraid ______ is possible．I will go to the hospital to look after my friend．
A．either B．none C．any D．neither
He wanted to join the medical team to help the victims in the earthquake but he______for his poor health．
A．was turned up B．was turned on C．was turned over D．was turned down
．— Has Tom finished his report so far?
— I have no idea．He ______it this morning．
A．did B．has done C．was doing D．had done
