The scientists were waiting to see the problem ___
the scientists were waiting to see the problem _____.为什么不是to
Most of the people ___ to the party were famous scientists.答
Most of the people ( ) to the party were famous scientists.
As the sky ___,we were able to see where we were填什么
If they were here tomorrow,the problem (solve)___
The problem is ___ to solve.
___ the bones of prehistoric man,scientists hope to determin
People were disturbed and began to see where the noise ___
We belive scientists will _____ a way to solve the problem o
he is waiting for his turn to see the doctor in the waiting
___ students were invited to the party
They were waiting ___.A.on the doctor's B.at the doctor's C.