—Your colleague is speaking English with fluency.—It's no wonder.She ____ in the UK for a year as a visiting professor
I won't go to his party next time. It couldn't have been ________ in fact.
How much of the city have you _________ since you came to work here?
-- Did the door-keeper let you in? -- No. __________ I tried to tell him that I was your cousin, he just didn't believe me.
Nearly a month had gone by ________ she showed some sign of giving in to her father.
The seller _________ the CD player for $50, but the customer offered $30.