In the past, the workers were made __________ 12 hours a day.
Jack _____________. Now he can go to school by bike.
Jack seems _______ than you ______ ready for the exam.
He is _____ unusual writer. He can write _____ useful book.
---Peter,is there anything else you want to know about China? ---Yes,I am still wondering __________ .
--- Thank you for supporting the volunteer project. ---________.Many hands made the light work.