-- When do you need to pay the balance?
-- ______ December 31.
| A．In | B．By | C．During | D．Within |
The government declared the ban____ everyone must go to the front.
| A．which | B．that | C．不填 | D．what |
He _____what I said.
| A．doesn’t agree on | B．disagrees with | C．disagrees to | D． agrees on |
Bob _____a series of brutal murders.
A. committed C. crimed C. commited D. did the wrong
Costs have been reduced ___20% over past year.
| A．in | B．on | C．to | D．by |
Don’t touch him, for he is a ______person.
| A．friendly | B．dangerously | C．frankly | D．dangerous |