1. Jim has a pretty good sense of humor! His jokes are always sow_ !

2. French was so boring yesterday! Everyone was d_ all the time!

3. Oh, I know I've met you again, but I just can't remember! Can you give me some clues to _ my memory?

4. If you want to become a good English learner, you need to _ it. 

5. Schools in Europe are all equiped with _ technology. 

6. George used to _ Jane. However, I don't see them out together anymore.