He commanded that the students ______the classroom before he returned.
| A．didn’t leave | B．wouldn’t leave | C．not leave | D．couldn’t leave |
our daily expenses, we have to put quite a lot for our daughter’s further education.
| A．In addition | B．As well as | C．Beside | D．in addition to |
____ you change your mind，please let me know.
| A．Would | B．Should | C．Must | D．Might |
As we are busy these days, we might this urgent work for the time being.
| A．undertake | B．agree | C．undergo | D．change |
Nobody believed his reason for being absent from class he had to meet his father at the airport.
| A．why | B．where | C．that | D．because |
I hope you will keep us of how you are getting on with the work.
| A．inform | B．informing | C．to inform | D．informed |