.differentkindsofpianos,thewor

. _______ different kinds of pianos, the workers farther improved their quality.

A．To produce　

B．Being produced　

C．Produced

D．Having produced

登录免费查看答案和解析

相关试题

Until about 1850 most wine in France, which is one of the oldest wine producing regions of Europe, ____ locally.

A．is consumed	B．was being consumed
C．was consumed	D．has been consumed

收藏答案/解析

The driver was at loss when word came that he was forbidden to drive because of speeding.

A．a; the

B．/; /

C．the; the

D．a; /

收藏答案/解析

The other day, my brother drove his car down the street at I thought was a dangerous speed.

A．as

B．which

C．what

D．that

收藏答案/解析

He is a good cook at home and takes good care of the children, and his wife.

A．so does

B．so is

C．so is with

D．so it is with

收藏答案/解析

It was in such a good place everyone wanted to go and visit I came across the lady.

A．that; that

B．that; as

C．as; that

D．as; as

收藏答案/解析