将下列宾语从句改写成简单句。 1. He hopes that he will be back very soon. He hopes _______ _______ back very soon. 2. Could you tell me how I can get to the post office? Could you tell me ________ ________ to the post office? 3. The boy didn't know what he should do with the broken glass. The boy didn't know ________ ________ do with the broken glass. 4. The girl found there was a wallet lying on the ground. The girl found a wallet ________ on the ground. 5. I take back what I said. I take back ________ ________. 6. I remember that I have told her the truth. I remember ________ ________ the truth. 7. I decided that I would visit Mr. Black. I decided ________ ________ Mr. Black. 8. I don't know what I should do next. I don't know ________ ________ do next. 9. We saw that they swam just now. We saw _______ ________  just now. 10. It seems that he knew me. He seems ________ ________ me.