--- When can I use your computer? --- Never! ___________ should you touch it. A. In no time. B. At no time C. At any time D, At one time
______ Mid Autumn Festival of this year falls on______ Saturday.
We must take measures to protect the environment from ______.
I was just _______to go out when the telephone rang .
Doing morning exercises _______ our health and we _______ it.
He has been doing the job for many years, but has never felt ________ it, though his workmates think it is a ________ one.