---Are those your parents?
----________.
| A．Yes, they are | B．No, he isn’t |
| C．Yes, she is | D．No, she isn,t |
Chinese ______by the largest number of people in the world now.
| A．is spoken | B．is speaking | C．speaks | D．spoke |
A boy with two dogs ______when the earthquake rocked the city.
| A．were sleeping | B．is asleep | C．was sleeping | D．are asleep |
—_____you ever _____to the hometown of Hao(郝氏故里)?
—Yes, twice.
| A．Have, gone | B．Have, been | C．Do, go | D．were going |
In the past ten years, our hometown named Yandu（盐都） _____a lot.
| A． changes | B．changed | C．was changing | D．has changed |
If there ______no buying and selling of animals, there ______no killing in nature.
| A．is, will be | B．will be, will be | C．is, is | D．will be, is |