The computer is ______useful tool in _______world today.

1t is very important ______ us to get on well with others.[ ]

It is true that knowledge _______ rather than being taught.

The shop opens at 8 a. m every day and it _________ from 8 a. m. to 8 p. m.

Peter , I won’t visit our teacher this Sunday .— I have to look after my mother .