—Why don’t you go to visit the Great Wall with us?—Because I _______ there many times.
_______ have you known the city? For five years.
It’s raining hard. ________, my parents are still working in the field.
Jim’s grandpa lived________, but he didn’ t feel________
---Do you want to watch the lion dance? ---No, I ________ it the day before yesterday.
I don’t like physics ______ it’s too difficult for me.