17— Which one do you prefer, the window seat or the aisle seat? —____________ ( )

It.s __________ to point to or talk about strangers in public.

Fill in the blanks with appropriate coordinator or subordinator:______________ a well-balanced diet ___________ adequate sleep is needed for good health

__________________是指顾客总价值与顾客总成本之间的差额。

Many boys enjoy _______ football, basketball or baseball

Which do you think is ________, health or wealth？

_______________will not continue if an ongoing operation is changed or deletedA、

29．__________ when you are on the bus or bike．

Which do you think is _________________important, health or wealth?

And they can ______their passports______，making leaving or “escaping” virtually impossible.

Duty is an act or a course of action that people __________you to take by social customs, law or religion.

顾客总价值是指顾客购买某一产品与服务所期望获得的_______________。