It’s a chicken-and-egg question. I can’t answeryou now.

The twins will fly to New York with their parents this evening? —No.In fact, their plane ___ from Shnaghai ahead of time

The police turned the whole house________looking for clues[ ]

What do you think of the concert?— , it’s not bad, though several songs are out-of-date[ ]

Thanks for ____me to the party.