( ) There_________ some rulers and an apple on the desk. A. is B. are C. /
My father’s birthday is ____ April.A. in B. on C. of
My grandpa ____ in Shanghai.A. live B. lives C. lived
The two wheels ____ this bicycle were big. A. to B. of C. off
The old men and women are ____ Buckingham Palace.A. in B. on C. at
The man invented this bicycle ____ 1839.A. in B.on C. at