( )poor at English,I'm afraid I can't make myself( ) A.To be;understand B.I'm;understandC.Being;understanding D.Being;understood选哪一个,选择理由,请详细解释下.尤其是I‘m,Being,To be选择哪个,弄不明白.

问题描述:

( )poor at English,I'm afraid I can't make myself( ) A.To be;understand B.I'm;understand
C.Being;understanding D.Being;understood
选哪一个,选择理由,请详细解释下.
尤其是I‘m,Being,To be选择哪个,弄不明白.