Excuse me, will the plane for Beijing within an hour?—I’m not sure. You can go to the Information Desk for help.

The teacher said that ______ of the boys would take part in the talent show.

What do you think of the report about the air pollution on TV last night?—I think the situation is so that we should take action to protect the environment.

He needs to have a partner to practice English ________.[ ]

The boy ________have ________ brothers ________ sisters.