单项选择题

The invention of the microchip _______ a new generation of computers.

A、announced
B、spoke
C、named

你可能感兴趣的试题

单项选择题

When he got married, Alf was too ______ to say anything to his wife about his job.

A、embarrassing
B、embarrassment
C、embarrassed

单项选择题

It is a _______ that the young look after the old in their family.

A、way
B、tradition
C、means