1 . The book ___________(write) by Han Han is very popular.

A．written

B．is written

C．writes

D．writing

2 . Many small creatures live in the garden ___________ (surround) with a fence.

A．surrounding

B．was surround

C．Having surround

D．surrounded

3 . The scientist still haven’t decided on a name for the planet ___________ (discover) last week.

A．discover

B．is discover

C．discovering

D．discovered