The two engineers are trying to find a_______to the technical problem.
A. conclusion
B. solution
C. reply
D. reaction
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Guangzhou, with a long history, has many historic places and tourist _________, which draw millions of visitors every year.
A. concentrations
B. contributions
C. attractions
D. attentions
Once we reach an______we can go ahead with the building project.
A. arrangement
B. accumulation
C. agreement
D. appointment
The student needed a letter of _______to apply for the post of secretary.
A. invitation
B. recommendation
C. register
D. inquiry
Tom' s mother was shocked that Tom had got head______ in a car accident.
A. ache
B. damage
C. suffering
D. injury