In my opinion, keeping dogs well _______...

In my opinion, keeping dogs well ________ up is advisable for dog owners.

A．to tie B．being tied

C．tied D．to be tied

C 【解析】C 考察非谓语动词。句义：我认为，狗的主人应该把狗拴好。Tie和句子主语之间满意连词，使用非谓语动词，且tie与逻辑主语dogs构成被动关系，使用过去分词。故C正确。

考点分析：

相关试题推荐

The old couple, ________ in the small village for years, can tell the names of all the villagers.

A．living B．lived

C．having lived D．to have lived

查看答案

The gas price keeps rising, ________ an average of 7.7 yuan per liter this month.

A．hit B．to hit

C．hitting D．hits

查看答案

—What in the world put you in a really bad mood?

—________ in the traffic for hours.

A．Stuck B．Being stuck

C．To be stuck D．sticking

查看答案

Most of the guests ________ to the wedding last week were his classmates and friends.

A．having been invited B．to be invited

C．being invited D．invited

查看答案

I'd rather have a room of my own, however small it is, than ________ one with others.