【2013湖南益阳】When he saw a wallet on the ground, he ______at once. A. picked it up B. gave it up C. picked up it
The______he is,the _____ he feels.
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_____?