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1. The need for good
(合作) is now being recognized as essential.
【考点】
名词; 单词拼写;
【答案】
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单词拼写（单句）
容易
课时演练
换一批
1. While waiting for the flight, your father
his colleagues, but I am not sure.
A.
might have met
B.
should have met
C.
must have met
D.
could have met
单选题
普通
2. The old farmer，
the badly injured and burnt soldier，came out of the burning farmhouse ，calling continuously for help. (support)
语法填空（单句）
困难
3. Because the boat was turned by big waves upside down, he had no choice but to swim to the s
quickly.
单词拼写（单句）
容易