摘要： -I think it’s going to be a big problem. -Yes, it could be. I wonder we can do about it. A. what B. that C. if D. how
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－I think it's going to be a big problem.
－Yes, it could be.
－I wonder ________ we can do about it.
[ ]
A．if
B．how
C．what
D．that
－I think it's going to be a big problem.
－Yes, it could be.
－I wonder ________ we can do about it.
[ ]
A．if
B．how
C．what
D．that
－I think it's going to be a big problem.
－Yes, it could be.
－I wonder ________ we can do about it.
[ ]
A．if
B．how
C．what
D．that