Ответ:

2)last year mark could type 15 words per minute. Now he can type 30 words per minute.

2)last year Anne could speak only a little French. now she can speak French quite well

3)at the moment carol can cook quite well, and if she works hard, perhaps she will be able to work as a chef

4)last year tom could only play a piano. now he can play the piano and the violin. and if he studies hard, perhaps he will be able to be a professional musician

5)last year Susan could ride a bike. now she can drive a car, and she hopes that one day she will be able to drive a racing car