1. I wonder why　 Jenny _____us recently. We should have heard from her by now.

A. hasn’t written　 B. doesn’t write　 C. won’t write　 D. had written

35．__________ much advice I gave him, he did exactly what he wanted to do.

A. How 　　　　　　　 B. Whatever 　　　　　　　　 C. However 　 　　　　　　　 D. No matter