Complete this __________ before you decide on the model you want. ()
A. brush
B. arrival
C. exist
D. worksheet
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The library is a good __________ for information. ()
A. arrival
B. resource
C. primary
D. placement
Many students find it __________ to learn how to type. ()
A. placement
B. resource
C. worthwhile
D. brush
The salesman __________ my satisfaction with the new car. ()
A. guaranteed
B. arrival
C. worksheet
D. placement
Mr. Sen waited for the __________ of his son at the airport. ()
A. exist
B. arrival
C. brush
D. resource