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
Many accidents_____ by careless drivers last year.
A．are caused B．were caused C．have caused D．will cause
