______is known to us all, only the theory ______ on practice can be practical.
| A．Which; base | B．Which; based | C．As; based | D．As; basing |
It's so nice to hear from her again.________，we last met more than fifteen years ago.
| A．What's more | B．That's to say |
| C．In other words | D．Believe it or not |
Mr White ________ at 8:30 for the meeting, but he didn’t show up.
| A．should have arrived | B．should arrive |
| C．should be arriving | D．arrived |
The old temple, _______ roof was damaged in the storm, is now under repair.
| A．where | B．which | C．its | D．whose |
There was ______ time ______ I hated to go to school.
| A．a; that | B．the; that |
| C．a; when | D．the; when |
Please _______ the numbers and I’m sure they will ______ more than 1,000.
| A．add up; add to | B．add up; add up |
| C．add up; add up to | D．add to; add up |