题干
We think it is important to learn ______ English ______ Chinese well.
A：/; or
B：either; or
C：not; but
D：both; and
答案(点此获取答案解析）
D
We think it is important to learn ______ English ______ Chinese well.
A：/; or
B：either; or
C：not; but
D：both; and
