—My sister is on holiday in Hainan. —I w
问题:
—My sister is on holiday in Hainan. —I wonder ____.
A.When she came back.
B.When did she come back
C.When she will come back
D.When will she come back
—My sister is on holiday in Hainan. —I wonder ____.
A.When she came back.
B.When did she come back
C.When she will come back
D.When will she come back