When workers are organized in trade unions, employers find it hard to lay them ________.
D
暂无解析
Forthenewcountrytosurvive,________foritspeopletoenjoyprosperity,neweconomicpolicieswillberequired.
Theassociationis________toraisingfundstohelptheblind.
________they'vegottoknoweachotheralittlebetter,theygetalongjustfine.