Badhabits,formed,aredifficult,

Bad habits, ____formed, are difficult, and sometimes impossible to shake off.

A．once

B．before

C．until

D．unless

登录免费查看答案和解析

相关试题

The speaker _____ several other subjects in the course of his talk but mostly kept himself to the main topic.

A．held on

B．worked out

C．touched on

D．kept out of

收藏答案/解析

No one imagined that the apparently _____ businessman was really a criminal.

A．respectful

B．respectable

C．respective

D．respected

收藏答案/解析

We won't know whether it will be successful. We won't know whether there will be good _____.

A．ends

B．results

C．effects

D．causes

收藏答案/解析

The government placed _____ on the numbers of foreign cars that could be imported.

A．limitations

B．restraint

C．requirements

D．restrictions

收藏答案/解析

He ate what he could, and gave the _____ of the food to the birds.

A．remain

B．uneaten

C．rest

D．part

收藏答案/解析