A loud noise （） my attention from cooking and everything was burnt.

Many teenagers feel no difficulty （） computer.A．to lear...

单项选择题Many teenagers feel no difficulty （） computer.

Some areas, （） their severe weather conditions, are spa...

单项选择题Some areas, （） their severe weather conditions, are sparsely populated.

He might have been killed （） the arrival of the police....

单项选择题He might have been killed （） the arrival of the police.