This is _________.
A. shoe B. shoes C. a pair of shoes
You must ______ a life jacket by ferry.
A. wear B. to wear C. wears
You must drive _____ by sled.
A. slowly B. slow C. run
Some ___ go to school by ferry in Papa Westray.
A. children B. childs C. kid
You can go to school by _____. It snows a lot.
A. sled B. ferry C. plane
I must ______ the traffic lights.
A. look after B. pay attention to C. look for