good,the food has been sold out.
Although he was in poor health , Robert succeeded ______ other more famous engineers failed.
Even if the treatment _____, there’s still no magic pill for patients in the late stage of AIDS.
I’m afraid we can’t come, but thanks for the invitation_________.
Dr. Peter Spence, ______ headmaster of the school , told us , “______ fifth of pupils here go on to study at Oxford and Cambridge.”
------Do you want another piece of cake ? ------______.