—I wish I _________ the meeting.—But you didn’t .
The book,_______________as a surprise for his sister was lost in the mail.
Between the two roads_________ a TV tower called“Skyscraper Tower”.
________________ surprised us very much that Tom should have left without a word.
It is reported that two schools, _________are being built in my hometown, will open next year.
He tried his best to solve the problem, _______difficult it was.