How many English books do you have? _________A. I have 9. B. I can see 10. C. Yes, I do.
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
– How can I get there? -- ____________.A. Take No. 57 bus. B. Take a No. 57 bus. C. Take the No. 57 bus.