He found that complex problems, especially those _____ abstract thinking, were best for picking out bright and dull students.
|
A．involve |
B．involved |
C．involving |
D．being involved |
You _____ tell him. He is fully aware of the danger.
|
A．mustn’t |
B．don’t need |
C．needn’t |
D．can’t |
_____ his ability of speech, he has made use of each chance.
|
A．To improve |
B．Improving |
C．Being improved |
D．Improved |
People pay ______as to the content of your speech.
|
A．so much attention to your voice |
B．as much attention to your voice |
|
C．much attention to your voice |
D．attention to your voice much |
____ I paid a visit to this scenic spot, I was deeply attracted by its beauty.
|
A．The first time |
B．At the first time |
|
C．For the first time |
D．At first |
I want to be very careful to talk only about ____ we've formally tested.
|
A．which |
B．that |
C．what |
D．whether |
