_______ you have problems, just let me know. I'll always be there for you.
句意：无论你什么时候有问题尽管来找我。我会永远在你身边。
考查连词辨析。However然而；无论怎样，无论多么；Whatever无论什么；Whenever无论何时。根据句意可知，这里表示“无论什么时候有困难”，C选项符合语境，故选C。
_______ you have problems, just let me know. I'll always be there for you.
We should protect the environment _______ we can make a better world to live in.
____ she is very young, she can take good care of herself.
________ Simon has done well in his studies, he still works really hard.
We will cause less pollution _________we can find ways to reuse or recycle more rubbish.
Many students hated to have classes on DingTalk, ________ they gave it one-star reviews（评价）.
______ he is dead, Kobe Bryant’s spirit will continue to influence us.
______ the traffic was heavy, we still got to the railway station on time.
I’ve tasted lots of delicious food, ______ what I like best is the dishes _______ by Mum.
—My parents are crazy about Running Man. How about your parents?
—______my dad_______ my mom likes it. They are interested in The Voice of China.
