问题

We ________ a sign at the park entrance to tell people to protect the trees and flowers.

A:put down
B:put up
C:put away
D:put off;

正确答案是：

同类题型

29．“It is not who you know but what you know that_______，if you want to find a job in this company．”he said angrily．

Sam is a _____ swimmer. He can swim very_____.

said that we will haveanother examination next week.—Really ________, we must begin to prepare right now.

That story is not so as this one.

He had to retire(退休) early poor health.