If it tomorrow, I will do some sightseeing with my parents in the Summer Palace. [ ]

_____ of them knows Japanese, so I have to ask a third person for help.—You’d better ask Tom for help. He is good at Japanese.

I like playingChinese chess best. What about you?—football is my favourite sport.

Hurry up! Once the concert starts, nobody _______ to enter the concert hall.

This weekend I asked students_____ subjects.[ ]