The man invented this bicycle ____ 1839.A. in B.on C. at
It’s late. Helen get up quickly. A.having to B.has to C.have to
——Does Mike often kites at the weekends?——No, but he kites with me last weekends.A.fly; fly B.flew; flew C.fly; flew
Some children are sitting on the grass and a chat now.A.had B.have C.having
I go to school at half seven in the morning.A.at B.to C.past
Liu Tao isn’t good at .A.sing B.sings C.singing