____under the tree, the girl seems to be thinking about something delightful.
A. Standing
B. To stand
C. Stood
D. Stands
查看答案
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
医疗机构的门诊病历保存期不得少于()年
A. 20年
B. 10年
C. 30年
D. 15年