شرکت در آزمون آنلاین
زبان انگلیسی 1
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زبان انگلیسی 1
| آزمون شماره 12973
So far we haven’t been able to find much about this metal, but we are still ......... on it.
A: “Which car of these newest models in the show do you prefer?”
B: “I’d like to have … car than the one I have. It keeps breaking down.”
What does the underlined word “it” in paragraph 3 refer to… .