-- How could you be so rude as to walk in here in the middle of my class?
--- _________.
| A．Nothing much | B．Nothing serious |
| C．Never again | D．Never mind |
They gave money to the old people's home eitheror through their companies.
| A． | legally | B． | sincerely |
| C． | personally | D． | deliberately |
There is no need to tell me your answer now. Give it some ______ and then let me know.
| A．thought | B．support |
| C．protection | D．authority |
It is reported that a space station ______ on the moon in years to come.
| A．will be building | B．will be built |
| C．has been building | D．has been built |
Some experts think reading is the fundamental skill upon______school education depends.
| A．it | B．that | C．whose | D．which |
the difference between the two research findings will be one of the worst mistakes you make.
| A． | Ignore | B． | Ignoring |
| C． | Ignored | D． | Having ignored |