![](https://lstatic.shangxueba.com/sxbzda/h5/images/m_q_title.png)
[主观题]
由适当原料合成下列化合物:
![](https://lstatic.shangxueba.com/sxbzda/h5/images/tips_org.png)
第1题
第2题
A.A.take affect
B.B.take sides
C.C.take exam
D.D.take effect
第3题
第4题
第5题
Who signed the contract?
The _________ of the two parties.
第6题
Both parties promised to ______ the contract to be signed the following day.
A.keep with
B.tangle with
C.adhere to
D.devote to
第7题
______ a contract last year and it is still valid.
A.We have signed
B.We signed
C.We haven't signed
D.We have signed
第8题
Alan signed a dorm contract with his roommate to prevent possible conflicts. (head oft)
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