–– Hi, Kitty. _________ my teacher, Ms. Wang. She teaches _________ English.–– Glad to meet you, Ms. Wang.
All of us are ____ at the ______ result.
We must try _____ people _____ the animals in danger.
--Mary,would you like to visit the Science Museum with me? ---_______,but surfing the net seems more interesting.
---I feel tired and sleepy. ---Why not stop_____?
She jumps _____of us four.