(单选题)8: Many difficulties have __________ as a result of the change over to a new type of fuel.
A: risen
B: arisen
C: raised
D: arrived
(责任编辑:admin) |
(单选题)8: Many difficulties have __________ as a result of the change over to a new type of fuel.
A: risen
B: arisen
C: raised
D: arrived
(责任编辑:admin) |