Liu Tao is playing the swing.A. in B. between C. on
What were you doing? I ____ digging a hole.A.was B.were C.am
Wake up, Tony.It’s time _____school.A.to go B for C.go to
You can go when the traffic light is_______.A.yellow B.red C.green
I helped the boy______ the boxes yesterday.A.carried B.carry C.carrying
There _____ a lot of food on the table.A.is B.are C.be