Have you found the information about Bill Gates________ you can use for the report? —Not yet. I’ll search some on the Internet.

We are happy to see our city is developing ________ these years than before.

Cathy was very happy to meet _____old friend on the plane to Paris.

Look _____ the blackboard and listen _____ the teacher. [ ]

I never thought she would _______ my invitation to the concert. —She would feel sorry for missing the concert someday.