Ruby _____ ill or _____ she doesn't want to go with us.选择:A、may be;maybe B、may be;may be C、maybe;maybe D、maybe;may be

问题描述:

Ruby _____ ill or _____ she doesn't want to go with us.
选择:A、may be;maybe B、may be;may be C、maybe;maybe D、maybe;may be

A