The scientists were waiting to see the problem . A. settle B. settled C. to settle D. se——青夏教育精英家教网—

摘要： The scientists were waiting to see the problem . A. settle B. settled C. to settle D. settling

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The scientists were waiting to see the problem .

A. settle B. settled C. to settle D. settling

The scientists were waiting to see the problem _______.

　A. settle　　　 B. settled　　　 C. to settle　 D. settling

The scientists were waiting to see the problem _______.

　A. settle　　　 B. settled　　　 C. to settle　 D. settling

The scientists were waiting to see the problem ____ 　.　
　 A. settle　　　 B. settled　　　 C. to settle　　　 D. settling

The scientists were waiting to see the problem ____ 　.　

A. set 　　　　　 B. settled　　　　 C. to settle　　　　 D. settling

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