---Imagination important in science, and it helps us dream up our future. ---You
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---Imagination important in science, and it helps us dream up our future.
---You are definitely right. If only something allow me to see insects and spiders magnified without getting close to them.
A. was; would B. is; will C. will be; can D. is ;could
试题答案
D
解析:
解析：第一空是陈述客观真理， 所以用一般现在时态；第二空是虚拟语气，与现在事实相反，用过去式，选D。