I __________ my pen everywhere, but I didn't find it.
---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.
He was brave enough ___________ for the school volleyball team and succeeded.
---Jerry, has your uncle _________ your letter for help? ---Sorry, not yet.But let’s make a decision after we get his _______.
My parents want me to get further study to be ________ an engineer _______a scientist, ________ I would like to be a famous surgeon doctor.