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【判断题】
采购合同是企业根据采购需要、特定的供应商、采购方式、采购价格等与供应商签订的不具法律约束力的书面协议。A.
正确
B.
错误
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【单选题】Because of their loyalty to their owners, the dogs have been popular with all people in recent years.
A.
Y
B.
N
C.
NG
【简答题】The workers have been working for a whole morning and I think they___ a break. A deserve B have C receive D predict
【单选题】Jack,you’re so lazy!This job hours ago.
A.
should finish
B.
must have finished
C.
ought to have been finished
D.
was about to finish
【单选题】听力原文：(A) They're picking the umbrellas up off the floor. (B) The umbrellas have been hung up to dry. (C) The umbrellas are open and on the floor. (D) They're walking around with open umbrellas.
A.
B.
C.
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