22.____________you enjoy working from home or not, there are some emotional and physical health benefits.
A)What
B)That
C)How
D)Whether
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23. Latin America experienced a big rise___________demand for smartphones with almost 28 million sold.
A)in
B)at
C)over
D) along
24.The best thing you can do to protect your possessions while____________is to purchase an insurance.
A)travel
B) traveling
C)to travel
D)traveled
25.We will offer a training program for all the applicants____________native language is not Chinese.
A)whose
B) who
C)that
D)which
26. In this country, most hotels do offer Internet access,___________there is often a charge for this service.
A)although
B)if
C)unless
D) until