We are wondering ________ we can prevent people from polluting the earth.
#38936
A
who
B
that
C
whether
D
what
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---Would you please tell me _____________? ---Leave it on the table, please.
#38404
A
why she was late again
B
where I can put the box
C
where can I put the box
D
what you are good at
When he grows up,he’s going to do    .
#37736
A
what he wants to do
B
what does he want to do
C
what he want to do
D
what will he want to do