13. What do they come to?
一共多少钱？
还能这样说：
How much do I owe you?
How much altogether?
应用解析：
come forward 自告奋勇；站出来；
come to life 苏醒过来；活跃起来；
come in handy 迟早有用
14. Which kind of postcards do you like?
你喜欢哪种明信片？
还能这样说：
What sort of postcards do you prefer?
Which kind of postcards are you fond of?
应用解析：
of a kind 很相似的；同一类的；
be kind to 对……慈爱，对……厚道
15. You can get what you like.
你挑喜欢的拿。
还能这样说：
You can choose what you are interested in.
You may pick what you like.
谚语：
He who plays with fire gets burned.
玩火者必自焚。
16. That comes to 15 Yuan.
一共15元。
还能这样说：
These cost you 15 Yuan.
The total amount is 15 Yuan.
应用解析：
supposing that 假使；
on condition that 假如，若是；
at that time 那时，当时
17. These postcards are specially designed for New Year.
这些明信片是专门为新年设计的。
还能这样说：
These are postcards especially for New Year.
These postcards are designed solely for the New Year.
应用解析：
special delivery 专递；
special school 特殊学校；
special pleading 诡辩法