问答题

Robots have ______ humans from heavy work and offer us much more free time.
A．freed
B．be freed
C．freedom
D．fresh

A.
A．freed
B．be
B.freedom
D．fresh

你可能感兴趣的试题

I expect that the headmaster will want to______ the leak of the examination questions.
A．inquire for
B．inquire of
C．inquire about
D．inquire into

A.
A．inquire
B.inquire
C.inquire
D.inquire

I ran______some old letters when I was looking for something else.
A．about
B．down
C．across
D．off

A.
A．about
B．down
C．across
D．off