What are Joe and his friends doing? —They’re talking about something interesting _____ the table. [ ]

_______ does your mum usually go to work?—She usually goes to work at 7: 30. [ ]

I think _________ of the materials I listened to at the beginning of the exam __________ easy.

Please look at the photosHainan.[ ]

He had hardly reached home _______ an unexpected guest came to visit him.