I had great difficulty __________ the suitable food on the menu in that restaurant.
The _________ in which the parents were separated from their children was really _______.
Is it the book that ________ people of all ages ______ became the best-seller last year?
The president _________ at the meeting, _________ by his secretary.
As a matter of fact, this is just as ________.
-– David has made great progress recently. –- _________, and ________.