( )What did you_____ on the earth? A. buy B. buying C. bought
I ▁▁▁ an interesting bird in a book yesterday. A. see B. saw C. sees
He could ▁▁▁his friends in Australia. A. email B. emailed C. emails
---What▁▁▁ you do at home? ---I can sweep the floor. A. do B. did C. can
I enjoy ▁▁▁ the moon. A. looking B. looking at C. look at
There was an even ▁▁▁box in that. A. small B. big C. smaller