-- _____is that used for?---_____ the floor.
____________ the weather has improved, the game will be held as planned.
Emergency line operators _______ always stay calm and make sure that they get all the information they need to send help.
— I’m still working on my project.— Hurry up, or you’ll miss the deadline. Time is _______________.
The command has just arrived that all employees ____________ in their proper uniforms before 7:00 pm.
I just wonder ____________ that makes him so excited.