Exactly when the first people arrived in ________ we now know as California, no one really knows.

The students asked _________________.

We've offered her the job，but I don’t know ____she’ll accept it．

Mother asked the young kid      with his toy car.

Can you tell me       ?

Someone is ringing the doorbell. Let’s see _______.

Along the letter was the promise ___ he decided to help us with our work.

At the meeting, we discussed___ we should spend more money on the project.

No one will be sure ____________ in a million years.

People in Jilin are proud of ________ they have achieved in the past ten years．