When I was walking on the road, I saw the policeman warning the young man ____after drinking.
A. not to drive
B. to not drive
C. not driving
D. not drive
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____under the tree, the girl seems to be thinking about something delightful.
A. Standing
B. To stand
C. Stood
D. Stands
He lets everyone ____that he is an excellent engineer.
A. realize
B. to realize
C. realizing
D. realized
Everyone in our class is working hard and doing what we could____ a good college.
A. enter
B. to enter
C. entering
D. entered
When she heard the news of her admission to Tsinghua University, she couldn’t help____ with joy.
A. jumping
B. to jump
C. jump
D. to have jumped