You can’t imagine what difficulty we had________home in the snowstorm

Where have you _______ I didn’t see you a moment ago.— I ________ to the library.

The teacher asked me _____. [ ]

As she is a _____ visitor to our house, we look on her as a part of our family.

I’m sorry that I shouted at you this morning.— ________， but please don’t get angry so often.