根据汉语意思完成句子。
1. 他们作为交换生在美国学习英语已经一年了。
They have been learning English as______ ______ in America ______ a year.
2. 如果明天是晴天,我们就去游泳。
If it ______ ______, we ______ go ______ tomorrow.
3. 在课堂上大声说话是不礼貌的。
It is ______ ______ talk loudly in class.
4. 昨晚直到10点钟我才回家。
I ______ ______ home 10: 00 pm ______ night.
5. 你喜欢和什么样的人交朋友?
What ______ of persons do you like to make ______ with?
1. exchange students;for
2. is sunny; will; swimming.
3. impolite to
4. didn't; come / get / go; until; last
5. kind; friends