____she has been working in China for only two years, she speaks fuent Chinese.
A. When
B. If
C. Although
D. Until
查看答案
Patients can be treated in many ____ settings with various approaches.
A. difference
B. differences
C. different
D. differentlu
After taking the training course, they have performed their duties much ____than before.
A. well
B. better
C. welling
D. more well
Only by ____ a clean environment can we truly encourage more tourists to come.
A. created
B. creating
C. cteates
D. be created
This research paper focuses on ____ lifestyles for elderly people.
A. healthy
B. health
C. healthier
D. healthily