根据短文内容，用括号内所给动词的适当形式填空，必要时可加助动词或情态动词。

Li Wei is a middle school student. He    小题1:   (live) in Linshu town. Every day he  小题2:  (go) to school by bike. He    小题3:   (not be) to a foreign country before. Next week he  小题4:   (go) to Singapore with his parents. They plan    小题5: (stay) in Singapore for a week.

“Traveling to Singapore is a dream for me for a few months,” Li Wei said to his friend Jim. “ It    小题6:  (come) true soon.” He wants to visit the “Night Safari”. He also    小题7: (want) to try Chinese food in Singapore.

使用链路状态数据库的路由器协议是

A．RIP

B．OSPF

C．BGP

D．IGRO