They _________ on the program for almost one week before I joined them, and now we are still working on it as no good results have come out so far.

Experts suggest that teenagers spend at least 30 minutes exercising, five times a week. Walking and riding your bike _____ , and ______.

Visitors ______ not to touch the exhibits. 

--- Susan _____Catherine so much in the way she talks. --- Of course. She is Catherine’s daughter.

---- Jack and Mary got married last week . Did you go to their wedding . ---- No . I       .