你可能感兴趣的试题
have been completed has been completed has completed have completed
across; through through; over through; through across; over
build are built built were built
Bridges，Mendel Morgen，Sturtevant Morgen，Bridges Bridges，Morrgen
It is inconvenient to older people to walk across the road. It is much safer for pedestrians though climbing up and down the steps may be a little difficult, An overhead bridge is more beautiful than a zebra crossing. To build overhead bridges is the business of the government.
built build were built are built
Overhead bridges are found in every part of Beijing. Overhead bridges are only found in the centre of Beijing. Overhead bridges are found in many parts of big cities in China. Overhead bridges are found in places where traffic is heavy.
to be constructed to construct being constructed constructing
have been completed has been completed has completed have completed
otherwise besides therefore however
to be constructed to construct being constructed Constructing
湘公网安备 43130202000226号