题目内容
What's ________ in Australia?
As it is know to all, Australia is ________ country.
[ ]
A.the spoken language, an English-spoken
B.the language spoken , an English-speaking
C.the speaking language , an English spoken
D.an English spoken, the speaking tanuage
It is know to all that ________ you exercise regularly, you won't keep good health.
A.unless
B.whenever
C.although
D.if
It is know n to us ___________________________________(生命起源于何处).