单项选择题
They climbed higher （） they might get a better view of the city.
A. so that B. because C. in order to
单项选择题 We have been good friends ______ we met at school.
单项选择题 —Do you know ______ he came—Yes, I do. He came by car.
单项选择题 The teacher told us that December 25 ______ Christmas Day.
