The TV show, “Daddy, where are we going?”, _______ across China, especially popular on the major Chinese websites. 

He came to my class every week, but his attitude ________ he was not really interested in the subject. 

______ the help of the teacher, the student who wasn’t good at math ______ the difficult problem quickly.

—How long have you been going to work on foot?—Since last month when I ________ from a heart attack.

Although our former neighbor       here for years, we seldom met with each other．