单选题
Our future will be ______on what services we can provide.
A、
(A) basic
B、
(B) based
C、
(C) basing
D、
(D) base
【正确答案】
B
【答案解析】
The past participle based completes the verb will be based on. Choice (A) is an adjective. Choice (C) is a gerund. Choice (D) is the present tense.
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