I think difficult for us to learn a foreign language well.A.it B. that C. this
_____ it was very cold, _____ my friend still went swimming in Jialing River this morning.
Tom studies _______. He _______ plays with his friends.
Eighty percent of the teachers ______ women teachers in our school.
Here ____ the results _____ the students activity survey.
When I______ at the hotel,it was very late.