Some old people need a _______ because they feel lonely．（　　）

Last night，the shop was closed she didn't buy any chocolate．（　　）

The water dark and dirty．It's no longer safe to drink．（　　）

I didn't do very well in this exam．Unluckily，he did it ．（　　）

May I speak to Mrs．Black？

Sorry，mum can't come to the phone now．She a shower．（　　）