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【单选题】
图示是海陆风示意图，其中流向正确的是( )A.
①②
B.
②③
C.
③④
D.
①③
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【单选题】. The global warming is going to be a big problem and many people are wondering ________ we can do with it.
A.
if
B.
how
C.
that
D.
what
【单选题】There are many things in different areas ________ we can do to reduce the possible dangers of AIDS.
A.
that
B.
there
C.
what
D.
where
【单选题】There are many things in different areas ________ we can do to reduce the possible dangers of AIDS.
A.
where
B.
there
C.
what
D.
that
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