--- Has Li Lei finished his work today?--- I have no idea, but he ______ it when I saw him this morning.
Is this the computer you want to _____?
The young man went into the cinema and after ____ seemed half an hour he came out.
The environmental problem we are looking forward to _____ is __________ our attention.
Will you take my previous experience into _____ when you fix my salary?
The movie The Promise is ____ than The Fearless, so I like neither of them.