The course books are _____ by four tapes, which are beneficial to beginners.

I ___ the French written papers but failed in the English oral examination. 

Mr Smith has_______ cancer for two years but he is still working very hard.

The new clothes in that shop are so beautiful that Anna can not     taking a closer look at them, though she can not afford them at present.

To enjoy the scenery, Irene would rather spend long hours on the train ___travel by air.