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【简答题】
生成血液的基本物质是 , 由其化生的 是化生血液的主要物质基础,也是血液的主要构成成分。
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皮皮学刷刷变学霸
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A.
in
B.
use
C.
for
D.
with
【单选题】—What can we cover the roof _______? —The rain is too heavy. [ ]
A.
in
B.
with
C.
on
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for
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A.
aspects
B.
responses
C.
expectations
D.
areas
【简答题】A. cover B. spread C. help D. pass
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A.
covering
B.
covered
C.
cover
D.
to cover
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