Now the Chinese government has made laws ________ the birds living there.

It is reported that both of _______ two kids were saved out of the river by _______ university student.— True. He was really brave, wasn’t he

The newcomer went to the library theother day and searched for ________ he could find about Mark Twain.

It was several years ________ I realized ________ David had lied to me

Could you please tell me ________ the History Museum—The day after tomorrow, I think.