He pretends _______this thing.A、not know B、not knowing C、not to know
---Shall we go and ______ hello to the old man? ---Good idea! Let’s go.
---When is your birthday, Kate? ---It’s _________ 9 October.
---__________does your friend go roller skating? ---About once a week.
---Look, what’s that over there, under the tree? ---It’s _________e-dog. It is my cousin’s.
— Would you like to talk with your father or mother, Liu Mei? —_________We don’t have the same topic. A. Either. B. Both. C. Neither.