摘要：The children ＿＿＿＿＿＿ very quiet, I wonder what they ＿＿＿＿up to. A.were, are being B.are being, are C.are, do D.are being, do
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The children ＿＿＿＿＿＿ very quiet； I wonder what they ＿＿＿＿up to.
A.were； are being B.are being； are C.are； do D.are being； do
查看习题详情和答案>>The children ＿＿＿＿＿＿ very quiet； I wonder what they ＿＿＿＿up to.
A.were； are being B.are being； are C.are； do D.are being； do
查看习题详情和答案>>The children ＿＿＿＿＿＿ very quiet； I wonder what they ＿＿＿＿up to.
- A.were； are being
- B.are being； are
- C.are； do
- D.are being； do