用适当介词填空1.It is used______showing the way.2.I cook the barbecue____an open fire.

用适当介词填空1.It is used______showing the way.2.I cook the barbecue____an open fire.
3.My sister prefers chocolate____French frise.4.Tea is most popular drink____the world .5.Some people think the compass was first invented___the 3rd century BC___the Chinese.