No matter what it may lead to,they always () the profit maximization.

with this coffee maker, and I want my money back. Clerk: ______？ Customer: The problem is that it doesn't work! I've only used it three times.

A．Why

B．Well, are you sure

C．What's the matter with it on earth

D．Well, what seems to be the problem

A.why

B.well, are you sure

C.What’s the matter with it on earth

D.Well, what seems to be the problem

A.A.on

B.B.for

C.C.no matter

D.D.about

RPM

A.revolutions per minute

B.revolutions per mile

C.revolutions per month

D.very personal matter

-- Could I use your dictionary for a while？

-- _____.

A. It's well

B. It doesn't matter

C. By all means

D. I have no idea

A.What’s

B.What

C.How

A.wrong

B.matter

C.thing

A.Whatever

B.No matter what

C.What

D.However

E.No matter how

A.thewrong

B.wrong

C.matter

D.trouble

George: You look pale. What's the matter with you？

Rose: ______.

You can take ________ seat you like.

[A] no matter what

[B] no matter which

[C] what

[D] whichever