The problem was so serious that the general manager had to take______ himself to solve it.

That was so serious a matter that I had no choice

That was so serious a matter that I had no choice

What was the serious problem after the cane toads arrival in Australia？A．The cane toads di

The news item implies that Italy______.A．suffers from less serious problems than SpainB．su

The problem was so complicated that Mr. Smith had to______his brains.A．crackB．checkC．rackD

Everyone was tired, so Bill got up and made a motion that the remaining problems ______unt