This is the first time that I _____ at the meeting.

Because the shop ______, all the T-shirts are sold at half price.

We _______ on it for several hours but we have not yet reached any conclusion.

Mother wanted to be a good provider, a role she ______ since her marriage to Father.

 — ＿＿ Betty this morning? — Not yet, but she is sure to be here before noon.