Though Tom just left school, ________ he went to studying at home.[ ]

Meimei dropped_____her former Chinese teacher’s home when visiting China last time.[ ]

Carl, why not go and help your sister water the flowers there? —Why__________? I’m busy myself. Jack is lying on the grass doing nothing.

Is this __________ ruler? —No, it’s my ruler. __________ is over there.

I have great ________ in finishing the work by myself. Could you help me?— No problem.