It's 10 o'clock. The children are________English.A.study B.studies C.studying
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
There is a picture _____ a bike. A.in B. of C. at
In the USA, people on bikes must ____ a helmet. A. on B. put on C. wear
There are always three lights: red, yellow and ______. A. green B. blue C. orange