______ my baseball? It’s under the chair.A.WhereB.Where’sC.Where’re
I _____ the mouse for 18 yuan in the supermarket.A. paid B. cost C. Spent
We usually _____ hello to each otherA. tell B. say C. speak
--- Would you mind closing the door? It’s really too cold. --- _________________.
_____he is only 8 years old,he knows more about science than his father.
The number of tigers in Asia________ getting smaller and smaller and a large number of people_________ trying to protect them.