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
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27._________________we went,we always preferred to orderChinese food.
A)Whichever
B)However
C)Wherever
D)Whatever
28. It was not until I went to college___________I became interested in computer programming.
A) that
B)what
C)which
D)where
29.The technology was__________complicated that few engineers of the company were able to handle it.
A)so
B)too
C)much
D) such
30. Since 1949,our country_______________remarkable progress in reducing poverty.
A)make
B)made
C) is making
D) has made