--- Our holiday cost a lot of money.

--- Did it? Well, that doesn't matter ________ you enjoyed yourselves.

1. A.
   if
2. B.
   unless
3. C.
   while
4. D.
   or

?Our holiday cost a lot of money.

?Did it Well, that doesn't matter _______ you enjoyed yourslves.

A. if

B. unless

C. while

D. or

--- Our holiday cost a lot of money.

--- Did it? Well, that doesn't matter ________ you enjoyed yourselves.

[　　]

—Our holiday in Beijing cost a lot of money.

—Did it? Well, that doesn’t matter ______ you enjoyed yourselves

      A. if     B. unless      C. while         D. or

– Our holiday in Beijing cost a lot of money.
– Did it? Well, that doesn’t matter ___________ you enjoyed yourselves.
A. unless                      B. if                       C. while