There_______ a concert to be shown in HongKong next week.

Every morning, we can hear our students books aloud in our school.

We are now enjoying the cool air in the room.________,the farmers are harvesting crops in the hot sun.[ ]

Which team are you going to play _______ the day after tomorrow—A team from No.7 Middle School. I hope we will win.

The professor’s research finally proved to be ______, though he had spent a lot of money on it.