–What’s that noise?
–Oh, I forgot to tell you. The new machine ______.
| A．was tested | B．will be tested | C．is being tested | D．has been tested |
I don’t think I’ll need any money but I’ll bring some ____________.
| A．as last | B．in case | C．once again | D．in time |
The journey around the world took the old sailor nine months, _________the sailing time was 226 days.
| A． of which | B． during which | C． from which | D． for which |
After living in Pairs for fifty years he returned to the small town ______ he grew up as a child.
| A．which | B．where | C．that | D．when |
___________ is known to everybody, the noon travels around the earth once every month.
| A．It | B．As | C．That | D．What |
A computer can only do ________ you have instructed it to do.
| A．how | B．after | C．what | D．when |