单项选择题
A. when B. if C. because
We have been good friends ______ we met at school.A. si...
单项选择题We have been good friends ______ we met at school.
They climbed higher （） they might get a better view of ...
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
—Do you know ______ he came—Yes, I do. He came by car.A...
单项选择题—Do you know ______ he came—Yes, I do. He came by car.
