Robert is indeed a wise man.-Oh,yes. How often I have regretted__________ his advice![ ]

Internet shopping will ready when people make sure that it is safe.[ ]

What is the boy doing—It’s not necessary for you to be ________ about others’ business

I live in a faraway village, and only go to visit my parents ______

Is the museum ______ our school–Yes, so we have to take a bus there.