They are happy to give their services free of _____________.
A. price
B. cost
C. expense
D. charge
查看答案
The fireman received a ________ for saving the child's life.
A. reward
B. prize
C. award
D. money
The students are seeking for summer ___________.
A. professions
B. jobs
C. occupations
D. employments
We went on a day ________________ to Beijing.
A. excursion
B. travel
C. tour
D. trip
E. voyage
Computers have a strong _____________ on people.
A. effect
B. impact
C. influence
D. affect