______ final competitors is limited though _____ people have signed up for the short list.
A．The number of; a number of B．The number of; the number of
C．A number of; a number of D．A number of; the number of
I remember he lives in the room __________ window faces south.
A．where B．which C．whose D．when
____________ the weather has improved, the game will be held as planned.
A．While B．Since C．If D．Unless
Emergency line operators _______ always stay calm and make sure that they get all the information they need to send help.
A．can B．would C．must D．might
— I’m still working on my project.
— Hurry up, or you’ll miss the deadline. Time is _______________.
A．running out B．dying out C．giving out D．bursting out
The command has just arrived that all employees ____________ in their proper uniforms before 7:00 pm.
A．will be dressed B．must be dressed
C．were dressed D．be dressed
