Why didn’t you come to the concert last night?-I_________,but I had an unexpected visitor.[ ]

Although we have learned English for 3 years, we still have trouble _____ the new words.

I had just settled in the new place and didn’t know____________________.

______——- That would be great! Please drop meoff at the library

Either you or one of your assistants _________ to attend the meeting that is due tomorrow.