This kind of reading lamp can be ( ) to the need of the reader.
A. adopted
B. adjusted
C. adapt
D. used
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They have placed a large ( ) with the Boeing Company for 20 new airliners.
A. charge
B. command
C. request
D. order
While other people were asleep, only Mike () at the gate.
A. get ahead
B. hold back
C. kept watching
D. leave behind
The travellers ( ）300 miles a day by car when they were in Africa.
A. passed
B. took
C. covered
D. went
Bob had ( ) for his father to come whenever needed.
A. arranged
B. required
C. demanded
D. invited
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