There must be _____ book which could help .
Only when he reached the teahouse ________ it was the same place he'd been in last year.(2011·全国Ⅰ)
Try ________ she might, Sue couldn't get the door open.(2011·全国Ⅰ)
The newly published book, which refers ________ basic English grammar, is ________ only for beginners.
The Foreign Minister said,“________ our hope that the two sides will work towards peace.”
—What is the boy doing?—It's not necessary for you to be ________ about others' business.