摘要：C run into 意为“碰上.
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If you ________ any problem when you arrive at the airport, give me a ring.
[ ]
A．come up with
B．set about
C．run into
D．put aside
If you ________ any problems when you arrive at the airport, give me a ring．
[ ]
A．
come up with
B．
set about
C．
run into
D．
put aside
If you _________ any problems when you arrive at the airport, give me a ring．
[ ]
A．
come up with
B．
set about
C．
run into
D．
put aside