.A computer is so useful a machine ________ we can use everywhere

To fetch water before breakfast seemed tome a rule________

The English play ____ my students acted at the New Year’s party was a great success.

_______to take this adventure coursewill certainly learn a lot of useful skills.

Guess what! Tan Weiwei failed in the lastround of the Super Girl Contest.—How _______ it be She is second to nonein singing in my opinion.