________ several times,but he still doesn't know how to do it correctly.
Time, ______ correctly, is money in the bank.
After completing and signing it, please return the form to us in the envelope _____.
_______ with care, one tin will last for six weeks.
Film has a much shorter history, especially when such art forms as music and painting.
_____ in a white uniform, he looks more like a cook than a doctor.