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【多选题】
We usually wrap fragile goods separately by wrapping the cushioning materials, just like：A.
foamed plastic
B.
bubble film
C.
airbags
D.
shredded paper
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举一反三
【简答题】As we know, the sun gives us light and w____.
【单选题】The sun gives off light and warmth, _______ is very important to the living things on the earth.
A.
that
B.
which
C.
what
D.
where
【单选题】The sun gives off light and warmth, _______is very important to the living thing on the earth.
A.
that
B.
which
C.
what
D.
where
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