22. –Why, I couldn’t get you on the phone this morning.--We _____ tennis in the yard when you called.
He broke his legs while _____.
If you go to Xi’an, you will find the palaces there more magnificent than commonly__.
—— He hasn’t gone to the office up to now. —— Well, he _____.
—— Have you watered the flowers? —— No, but _____.
Mr. Black, _____ born in Kentucky, lived and practiced law in Missouri.