The reason _________ the little actress has been such a success is ________ she is both clever and hardworking.

It’s selfish ________ him ________ thecakes with others.

Lucy, do you like playing basketball —No, I _____ it.

Yesterday, I visited a middle school in Taiyuan. There are about students in it.

Mike came late again. It is _____ of him to keep others waiting.