第一道语法可能错了。
doing ****, A ******
B) with doing****, A *****
c) doing *****, it is A *****
d) while ** do **, A *****
e)whereas ** do **, A *****
哪个对?清赐教。(内容少了些)
a or d, I think. It still depends on the meaning of the sentence. The understanding of the sentence seems more and more important to give you confidence and speed up your pace