______the house was started before she went to Africa and now it is still under construction.

Why were you so late for work today— ________ to the office was very slowthis morning because of the traffic.

hurried to the library, only to finda notice at the gate, saying “No___________before 12:00 noon”.

It’s only when you lost something __howmuch you value it.

1． I went to the zoo yesterday. It metwo hours there by subway.