---I got up at five this morning, I thought it was Friday.---You _____ so early. It is Sunday today; you don’t have to go to work.
We should ________ ourselves assiduously and faithfully to the duties of our profession.
She returned home from the office, only ________ the door open and something missing.
________ her work has been good, but this essay is dreadful
They made no effort to hide their amusement ________ I produced a packet of sweets from my pocket.
________ you stepped into the lab with your shoes on? You’re supposed to take them off before you enter it. I told you so!