A：had to
B：must
C：would like to
D：could
____it is!
有一类各位数字各不相同的五位数M，它的千位数字比左右两个数字大，十位数字也比左右两个数字大，另有一类各位数字各不相同的五位数W，它的千位数字比左右两个数字小，十位数字也比左右两个数字小，求符合要求的数中M与W类比，多的比少的多几个数？
—The blouse is very nice. I'll take it.
—But you'd better ________ first. I think it is a little large for you.
