—Did the children make the model all by________? —Yes, they did. A. they B. them C. themselves
Lu Jialei , 14, from Hangzhou Foreign Language School , won first place in the CCTV Chinese Character Spelling Contest (汉字听写大会).
He was surprised ________ his best friend again.
He was just falling asleep________ there was a loud knock at the door.
Mary was dancing while Mike ________ the piano.
The old man looked for the dog________