15.—Will you go to the party tomorrow, Xiao Hai? —No, ____ I was invited to.
We finished the run in less than half the time ____.
--- Shall we go out for a walk?--- Sorry. This is not the right ____ to invite me. I am too tired to walk.
What a pity! Considering his ability and experience, he ____ better.
I _____ it as a basic principle of the company that suppliers of raw materials should be given a fair price for their products.
I hear they’ve promoted Tom, but he didn’t mention _____ when we talked on the phone.