The E-mail Jack had looked forward to ______ last night at last and he was very happy.

This is _____ interesting a movie that I'd like to see it again.

Some people are worrying about the possibility ________ mobile phones could be responsible for a range of illnesses, from rashes(皮疹) to brain tumors．

--- How was your trip to New York, Jennifer? --- Fantastic! That was the first time I _______ to such a big city. It’s so impressive.

________I enjoy the book with some nice pictures, I don’t have enough money to buy it.