— What impresses you most about your hometown?— The street, the length of which is four times ______ it was eight years ago．

I recognized her ______ I saw her.

Both she and her friends liked travelling. She traveled a great deal, ________.

I am sorry you’ve been waiting so long, but it will still be some time __________ Brain gets back from his holiday.

 I once heard him ____ that a rainbow was a bridge from earth to heaven.