(江苏省南通市2009期末调研)－Mary, how did your Math test go?－I had thought I _________, but in fact I came in the top 10% in my class.

Jenny keeps two pets. One is a dog, _________is a rabbit.

Explorer Robert Ballard searched the sunken ship—the Titanic for more than 20 years and also, with his cameras, he _____ the hole along the side of the ship which had caused it to fill with water and sink

The city is built _____ two rivers come together.

ights______ because of the air traffic control, the passengers had to wait in the hall.