-Why are you looking so worried? Is there anything I can do for you?-The computer break down when I nearly finished my composition.
----What’s that smell? ---- I don’t know, but ______ it is, it’s terrible!
We thought there were 35 students in the dining hall, ____, in fact, there were 40.
She is very ______ about her ugly appearance, so you shouldn’t stare at her.
I don’t think the experiment is ______ failure. At least we have gained ______ experience for future success.
She is a strong willed woman and not oncein to any difficulty in her life.