---- Was it by cutting down staff _ _she saved the firm?
---- No, it was by improving work efficiency.
A．when B．what C．how D．that
The club, _ _ 25 years ago, is holding a party for past and present members.
A．founded B．founding C．being founded D．to be founded
Have you sent thank-you notes to the relatives from _ _ you received gifts?
A．which B．them C．that D．whom
There is much truth in the idea _ kindness is usually served by frankness.
A．why B．which C．that D．whether
When Peter speaks in public, he always has trouble _ the right things to say.
A．thinking of B．to think of C．thought of D．think of
I have a tight budget for the trip, so I'm not going to fly _ the airlines lower ticket prices.
A．once B．if C．after D．unless
