________is power is a famous saying known to all.
| A．What knowledge | B．How knowledge |
| C．That knowledge | D．When knowledge |
They became friends again that day.Until then,they_____to each other for nearly two years.
| A．didn’t speak | B．hadn’t spoken |
| C．haven’t spoken | D．haven’t been speaking |
In my opinion,life in the twenty-first century is much easier than _______.
| A．that used to be | B．it is used to |
| C．it was used to | D．it used to be |
-I've studied growing plants as one of my interests.Could I make some suggestions?
-.
| A． | You will make it |
| B． | Go right ahead |
| C． | Don't mention it |
| D． | Take it easy |
_______,his idea was accepted by all the people at the meeting.
| A．Strange as might it sound |
| B．As it might sound strange |
| C．As strange it might sound |
| D．Strange as it might sound |
When I called you this morning,nobody answered the phone.Where?
| A． | did you go | B． | have you gone |
| C． | were you | D． | had you been |