What’s the weather like in summer in Hangzhou?——-It’s __________.

It was a serious mistake, ______ caused by carelessness.

Hello, mum. Are you still on Lushan Mountain?－Oh, no. We are back home. We _________ a really good journey.

They live ______ Nanjing Road ______ Shanghai. [ ]

Did you enjoy your tour around Beijing， Mr Singh？—Yes. But I hate 　　　　 when the tour guide held out his left hand to shake hands with me.