His face turned gray as he heard the bad news.（英译中)

He told me the news with a laugh.（英译中)

He put the key in the lock and turned it.（英译中)

I think it would be a kindness to tell him the bad news straight away.（英译中)

His hair became gray when he was only forty.（英译中)

He will be sad when he ______ the bad news.A．hearB．is hearingC．will hearD．hears

He must have heard the bad news, he looks upset.A、becauseB、forC、whenD、as