Look out! Look at the traffic lights b________ crossing the road.
The professor will give us a speech ________ how to protect the environment.
A.for B.about C.with D.against
You must be careful when you swim ________ the lake.
A.across B.below C.over D.through
Mo Yan's books are very popular. You can find they are translated ________ many languages.
A.on B.into C.by D.with
My right hand gets hurt. Can you help me cut up these vegetables ________ the knife?
A.with B.by C.in D.on
Shirley is still waiting for her flight to New York City ________ the airport.
A.at B.in C.on D.to
