My grandpa ____ in Shanghai.
A. liveB. livesC. lived
The two wheels ____ this bicycle were big.
A. toB. ofC. off
The old men and women are ____ Buckingham Palace.
A. inB. onC. at
The man invented this bicycle ____ 1839.
A. in B.onC. at
An _____ invented this bicycle.
A. Chinese B. American C. English