4.What is the perks of being a Google employee? A: A.free health and dental B: B. free education C: C.hybrid car subsidies D: D.cheap to buy the house

在亚马逊后台的促销工具包括（ ） A: A.Free Shipping B: B.Percentage Off(money off) C: C.Buy One Get One D: D.Giveaway

You can travel _____, but children under five travel ____. A: freely … free B: free … freely C: free … free D: freely … freely

In a “first-best” world：（ ） A: Free trade is not optimal. B: Free trade is economically efficient. C: Free trade benefits everyone. D: Free trade harms everyone.

In some countries, newspapers _____ government control, and different political views can be seen in them. A: feel free from B: feel free to C: are free from D: are free to

If that time does not fit into your schedule, please to suggest a day that is more convenient to you. A: feeling free B: to feel free C: feels free D: feel free

When a morpheme is free to occur as an individual word, it is a free morpheme.

The internship provides all of the following EXCEPT（） A: a small stipend B: free room C: free trip D: free meals

Linux是“Free Software”软件，“Free”的含义是（）。

-- you free tomorrow? --No. I free the day after tomorrow.