My set of keys _____ old, but your keys_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题选择题

My set of keys _____ old, but your keys are new. [ ]

A. am

B. is

C. are

D. be

答案

答案：C

选择题

Look at the photos ____ I took in the Yellowstone National Park.

A．what

B．that

C．where

D．whose

问答题简答题

什么叫同频单工电台？