The girl is seriously ill，otherwise she working instead of staying in bed all day long．
| A．is still | B．will still be | C．would still be | D．was still |
I have no idea ________ the cell phone isn’t working, so could you fix it for me?
| A．what | B．why | C．if | D．which |
The students are looking forward to having an opportunity ________ society for real-life experience.
| A．explore | B．to explore | C．exploring | D．explored |
The judges gave no hint of what they thought, so I left the room really ________.
| A．to be worried | B．to worry | C．having worried | D．worried |
They promised to develop a software package by the end of this year, ________ they might have.
| A．however difficult | B．how difficult |
| C．whatever difficulty | D．what difficulty |
The school board is made up of parents whoto make decisions about school affairs.
| A． | had been elected | B． | had elected |
| C． | have been elected | D． | have elected |