Is _______ necessary_______ the workers wear uniforms at work?A. it, for B. this, to C. it, that
My parents want me to get further study to be ________ an engineer _______ a scientist, ________ I would like to be a famous surgeon doctor.
It’s creative _______ you _______ this good idea.
I will recommend Daniel because he never __________ at all times.
Usually, it’s easier to make _______ decision than to take _______ action.
If we don’t study hard, we will _______ in our class.