That’s the new machine _______ parts are too small to be seen.
#68879
A
that
B
which
C
whose
D
what
推荐题目
The engineer ______my father works is about 50 years old. 
#73792
A
to whom
B
on whom
C
with which
D
with whom
He likes to use words _________ is clear to her.
#73406
A
of which the meaning
B
of which meaning
C
of whose meaning
D
meaning of which