What you’ve said sounds _____, but can we really solve the problem in that way?— It is worth a try.

Sorry, Doctor Smith isn’t here right now.—May I ____ a message onhis desk

The CDs ____ in the bookcase and the notebook ______ under the dictionary.

Why didn’t you chat with that friendly foreigner just now?— I’d like to, but the trouble was ________ he said was difficult for me to understand[ ]

You should apologize to her, Barry.— _____, but it’s not going to be easy. [ ]