A. negative
B. positive
C. neutral
Do you want to know something about the history of weather? Dont look at the sky
I really dont knowA. where to chooseB. which to chooseC. to choose whatD. to cho
I really dont know()A. which to chooseB. to choose whatC. what to chooseD. to ch
Once you find them, you dont want to let them go elsewhere. During an empl
Why dont you see a doctor?A. unhealthyB. tiredC. unpleasantD. fair
Oh ,do be careful!dont _____on the flowers .A. jumpB. treadC. destroyD. treat
We dont ()like the same things.A. necessaryB. necessityC. necessarilyD. unnecess
You ( ) do that, if you dont want to.A. won'tB. mustn'tC. needn'tD. shouldn't
Dont use the needle to _ your ears.A. piercedB. piercesC. pierceD. piercing
Dont handle the vase as if it ____ made of steel.( )A. isB. wereC. has beenD. ha