From time to time a crocodile has snatched someone _______ he or she is even aware that the crocodile is there.
| A．when | B．until | C．since | D．before |
相关试题
The traffic problems we are looking forward to seeing should have attracted the government's attention.
| A．solving | B．solve | C．solved | D．to solve |
The death toll of the quake in New Zealand is _____ 150, but officials say the figure won't stand because they are still getting information in．
| A．exactly | B．appropriately |
| C．definitely | D．approximately |
_____, I have never seen anyone who's as capable as John．
| A．As long as I have traveled | B．Much as I have traveled |
C．Now that I have trav eled so much |
D．As I have traveled so much |
_____ the secret of nature, the young scient
ist has little time for ent
ertainment．
| A．Devoted to bring up |
B．Devoted himself to bring up |
| C．Devoted to bringing up | D．Devoting to bring up |
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