Either he or his sister __________ been to France.
A. have
B. are
C. has
D. will have
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Hong Kong officials said local tourism groups of up to 30 people will be permitted starting on Friday as the city has had a steady __________in COVID-19 cases.
A. recline
B. decline
C. refine
D. define
Chinese painting has its own ____________feature, and is considered totally different from western paintings.
A. realistic
B. distinctive
C. decorative
D. embrace
What we want to do is not only enable students to learn deeply about AI but to empower their ______________.
A. creativity
B. creature
C. creation
D. creating
在GIII型焊接机器人程序行前面有提示焊接/空走的圆形图标,其中()颜色的图标提示该点为空走。
A. 黑色
B. 红色
C. 蓝色
D. 白色