Bob isn’t used to __________ a walk along the river after having supper every day.

We have discussed the project for two hours. And after a short break, the discussion .

Why are the tax collectors so busy?——Many people prefer to have their tax forms completed by a professional rather than ___.

Guess what! I have own the first prize in the speaking competition.—Congratulations! You ______ put a lot of work into it.

She looks very happy. She ______ have passed the exam.—I guess so. It’s not difficult after all.