There were lots of people _________ the bus on my way back home yesterday.[ ]

He can’t ___________ the difference between right and wrong.

The house is ______ expensive for me ______ afford. [ ]

How long ________they_________? —Sorry, I don’t know. But I know that Mr. Chen is going to _______a nurse next month.

Do you like the hosts (主持人)in the Happy Camp?-Yes, I like them____Hejiong.