It’s a long time________I saw you last.— Yes, and what a pity it is now that it will be a long time________we see each other again[ ]

Every possible _____ advanced technology. [ ]

Would you please ______ write on thetextbooks

I’m really very busy，otherwise I ________ certainly go there with you.

Yesterday, Jane walked away from the discussion. Otherwise, she ____ something she would regret later.