選C.考查的句型:it will be +一段時間 before …… 表示過了多久才 意思是科學家說,它可能是在幾年前是有可能對患者進行測試新藥.
樓主!
Scientists say it may be a few years___it is possible to test new medicine on patients
Scientists say it may be a few years___it is possible to test new medicine on patients
A.because B.after C.before D.since
A.because B.after C.before D.since
英語人氣:145 ℃時間:2020-08-02 00:43:08
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