Sorry, I can’t find the key ______ the lock. How can we open the door?[ ]

I ____my school ID card at home. May I go home and get it?

I’m sorry. I mistook you your brother. [ ]

How long does it take to get to the airport?—Forty minutes. But it’s foggy today. I’m not sure the highway will closes soon. Let’s set off earlier.

Mr. Smith came to our school in 2003. He _____ here for 10 years.