Not until the game had begun( )at the sports ground.

单选题

Not until the game had begun__________at the sports ground．

答案解析

单选题

Not until the game had begun _______ at the sports ground.

答案解析

多选题

Not until all the fish died in the river ______ how serious the pollution was. ( )

答案解析

单选题

Adjust the potentiometer until you do not hear a hum from the loudspeaker.

答案解析

单选题

It was_____back home after the experiment.A. not until midnight did he goB. until midnight that he didn tgoC. not until midnight that he wentD. until midnight when he didn tgo

答案解析