The women ran down to assist them in bringing up their seals; but no sooner _________ the house than a voice was heard in the passage, and a man entered.

单项选择题It was odd that you _________ for Margie's address. I just got a letter from her—the first one since her family moved on August 1 1983.

单项选择题It's freezing outside; you'd better _________ black ice when you drive home.

单项选择题Everyone knew that _________ the project would be completed and we'd all have to return to our own separate departments.