.-Look at that girl! Is it Susan?-No,it__________be her.She has gone to her hometown.
--Does Lily _____any brothers? ---No.________she has two sisters.
.Keep doing it, and you ______healthy.
—What is special about your father? ---His dishes are ______in the world.
—Can you tell me some countries______a long history? ---Of course. There are a lot of countries, _______China, India and so on.
It ______me two hours______to the top of the mountain.