单项选择题
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.
—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.
The teacher told us that December 25 ______ Christmas D...
单项选择题The teacher told us that December 25 ______ Christmas Day.
