Michael Creuse, ______ help Whymper climbed the Matterhom, was one of the first of the professional guides.( )

No sooner ______ than it began to rain. ( )A．t...

单项选择题No sooner ______ than it began to rain. ( )

I remember he's written a book ______ I've completely f...

单项选择题I remember he's written a book ______ I've completely forgotten. ( )

I can't thank you ______ much for your kindness, becaus...

单项选择题I can't thank you ______ much for your kindness, because without your help I can't have succeeded in the exam. ( )