A series of pre-recorded tapes ______ already been prepared for language laboratory use by
A. have
B. has
C. will
D. had
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轻便灵活，拆装方便，通用性较强，周转率高。
A. 木模板
B. 爬升模板
C. 梁模板
D. 组合钢模板
A certain tire company can produce tires at a cost of $22,500 per batch plus $9 per tire.
A. $9.00
B. $9.50
C. $11.00
D. $13.50
E. $20.00
They strongly believed that Bible was______.
A. worth to read it
B. worth reading it
C. worthy of reading it
D. worthy of being read
A hiker walked for 3 days. She walked 18 miles on the first day, walking 3 miles per hour.
A. 24
B. 44
C. 58
D. 60
E. 62
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