---- Is there a vaccine _____ pig influenza?, I’m anxious to know. ----- Don’t worry, there is a vaccine _____ for pigs against pig influenza
.– Was the driving pleasant when you vacationed in Mexico last summer? --- No, it _____for four days when we arrived, so that the roads were very muddy.
There were two small rooms in the house, ____served as kitchen.
_______ that everyone stared at him.
You’d better change another book because ___page of the book is torn, and ______cover looks old.
It was five o’clock in the afternoon ____they arrived at the hotel.