When the Eiffel Tower was shown in 1889 at the world exposition, it was not very popular and came close to ______ down.
In order to have a good _______ of English, he decided to go abroad for further education.
A series of books in the library ____ been stolen so that the number of them ____ smaller than before.
It was announced that only when the fire was under control _______ permitted to return to their homes.
Jane has been so ________ to getting used to everything that she hasn’t had time for social activities.
He doesn’t reach the Great Wall isn’t a true man.