Too many office buildings ___________ (build) in the city over the last ten years.

I remember ______ afraid of the dark as a young child.

It is a pity that I can't come to your birthday party tonight.

=> I wish _________________________.

Jojo gets his sister to clean his source.

=> Jojo gets _____________________.

Mr. Hung lived in the country when he was a child. 

The adventure of tom sawyer was one of the novels ______ by mark twain.

Cars cause pollution, but people still want them.

=> Although _________________.