摘要： Is necessary to master a foreign language? A. these B. those C. that D. it
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China is a wonderful land ______ minerals.
- A.is abundant in
- B.abundant in
- C.in abundant
- D.is in abundant
This is the first time she ________ Beijing．
- A.has gone
- B.has been gone
- C.has been going
- D.is being gone