—        you like the car so much，why not drive it back??

—Well，I can’t afford ________ car.?

A.Since;so big a ?

B.If;such big a?

C.When;so a big?

D.So long as;that a big?

It was __???? _ that he had to ask for help.

A. such big a job ???? B. so a big job ? C. so big a job ?? D. a such big job

____ is no wonder that the building is ____ now; it was so big a fire last night.

It was ____ that he had to ask for help．

A．so big work          B．so big a work  C．such a big work              D．such a big job[

Li Lei cannot eat so big a watermelon. You have to cut it_______.

A．up               B．out              C．off               D．down