题目内容

The railway__________ now.

A. is built
B. being built
C. is building
D. is being built

查看答案

搜索结果不匹配？点我反馈

更多问题

It__________ about 20 years to build the pyramids.

A. has been taken
B. may have taken
C. has been taking
D. may take

The road__________ two years ago has been destroyed.

A. building
B. built
C. which built
D. was built

下面哪些是轻声的结构助词：（）

A. 来、去、上、下
B. 子、儿、头、们
C. 着、了、过
D. 的、地、得

下面哪些是轻声的时态助词：（）

A. 的、地、得
B. 着、了、过
C. 上、下、里
D. 啊、吧、了、吗