Colors can change our moods(情绪) and make us ____ happy or sad.
A. feel
B. to feel
C. felt
D. feeling
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The Great Wall is famous, so every year ______ people come to visit it.
A. million
B. million of
C. millions of
D. billion
They met ______ at university and got married finally.
A. be ready
B. keep going
C. go shopping
D. by chance
What does “opportunity” mean?
A. 场合
B. 时机
C. 实现
D. 机会
Any body can ____ anything.
A. achieves
B. to achieve
C. achieve
D. achieved