26.Two lines can form an infinite number of _______.
A.ankles B.angles C.angels D.adults
27.He needed a _______ operation.
A.missile B.indirect C.income D.minor
28.Most people say that the new film is a ______.
A.mystery B.smart C.furniture D.custom
29.They serve _______ food in this restaurant.
A.castle B.glue C.delicious D.wing
30.We are leaving this afternoon, but we have not _______ our suitcases yet.
A.trapped B.insulted C.packed D.invited
26.B 27.D 28.A 29.C 30.C