The shirt is so expensive. Can you reduce the price ________a third?
A．to B．by C．of D．at
If we are not ________the progress we have made，we will have greater success.
A．interested in B．strict in
C．popular with D．content with
Can you ________ your sister from that group of girls?
A．pick up B．pick out C．bring up D．bring out
As I ________the house，I noticed a light upstairs.
A．entered into B．attached
C．appealed D．approached
It is worth considering what makes “convenience” foods so popular，and ________better ones of your own.
A．introduces B．to introduce
C．introducing D．introduced
________left the door unlocked must be held responsible for the accident.
A．Whomever B．Whoever
C．Whatever D．Whenever
