1 . Tom asked the candy makers if they could make the chocolate easier ________into small pieces.

A．break

B．breaking

C．to be broken

D．to break

2 . Will you ask the scientist who was referred ________ us a report?

A．to give

B．to to give

C．to giving

D．to be given

3 . Competition forces them always to                          the latest technology, which both increases output and puts pressure on prices.

A．encounter

B．establish

C．estimate

D．employ