---I saw Betty to Grandpa Li's home just now.---Yes. She’s often seen _________ the old man with the housework.
—What did your son say in the letter? —He told me that he __________ the Great Wall the next day.
—Would you please tell me __________? —OK, her name is Cici.
There is going to __________ an English party tomorrow evening.
The boy was able to __________ himself when he was very young.
Can you tell me what you __________ when the teacher came into the classroom?