关于英语选择题,请解释语法,谢谢~

关于英语选择题,请解释语法,谢谢~
分词练习
1____from the moon, the earth with water ____seventy percent of its surface looks like a ball.
A) seen covered B) seeing covering
C) seen covering D) to see to cover
2 The man managed to make himself_____with his ____Chinese.
A) understood breaking B)understand broken
C)understand breaking D)understood broken
3They knew him very well. They had seen him ____up from childhood.
A) grow B) grew C) was growing D) to grow
4The doctors did everything they___save the ____old woman but failed.
A) could, dead B) could to ,dead
C) could,dying D)could to,dying
5 Have you had your temperature____?
A) made B) tested C) taken D) examined
6 Please ______ a doctor .A man has been hurt.
A) send out B) send up C)send for D) send to