---Would you please show me ___ to run the machine?----Sure.
#97788
A
which
B
what
C
how
D
when
推荐题目
 In the USA, he made a lot of friends ______ English well to make himself ______.
#97969
A
learn; understand  
B
to learn; understood
C
learning; understand
D
learned; understood
I like getting up very early in summer. The morning air is good _______.
#92001
A
to be breathed
B
being breathed
C
breathing
D
to breathe
—Was the label ________your luggage?— No,it wasn’t.
#95631
A
attached to
B
attach to
C
attaching to
D
attached