_____alltherepresentativesstillnotthere,themeetingwaspostponedforseveralhours.
B
with 加名词短语,表示原因,本句意思为: “因为所有的代表还没有到场,会议 被推迟了好几个小时 ”。而 because(因为)引导的是原因状语从句,其后必须是个从句。 by 为“到⋯⋯ 为止 ” 。
It‘s_____mypowertomakefinaldecisiononthematter.
Thegirlwhofoundtheringreceivedagenerous_____offivepounds.
Thedriverpulled_____atthetrafficlights.
Mywalletisnowheretobefound.I_____itwhenIwasonthebus.
Williamhascuthissmoking_____tofivecigarettesaday.