Had they known what was coming next, they________ second thoughts.

Can I get you something to drink, Mr Smith—_______. I am thirsty.

May I speak to your manager Mr. Williams at fiveo’clock tonight —I’m sorry, Mr. Williams _____ to a conference beforethen.

92. Our football team _____ theirs _____ two scores.

─ Is __________ the capital of Canada─ Yes, it is.