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更多“g__地面（）”相关的问题
第1题
The survival of the civilization as we know is_________threat. A． withinB． und
The survival of the civilization as we know is_________ threat.
A． within
B． under
C． toward
D． upon
第2题
If you read the book （a second time), （and you) will probably have （quite a different) und
If you read the book (a second time), (and you) will probably have (quite a different) understanding of the events (described) in lt.
A．a second time
B．and you
C．quite a different
D．described
