1、【题目】________ the concert had begun did we realize what a splendid show it was going to be.
选项：
A.Nosooner
B.Onlyafter
C.Hardly
D.Scarcely
答案：
B
解析：
暂无解析
1、【题目】Seniormembersofthestaffcompetedeagerly________thepositionofsalesmanagerinthecompany.
选项：
A.in
B.with
C.for
D.on
答案：
解析：
1、【题目】Each year in the United States, many black teenagers _______ of school, either because they cannot keep up or they have to work to support their family.
选项：
A.goout
B.dropout
C.checkout
D.pullout
答案：
B
解析：
暂无解析
1、【题目】It________asashocktorealizethatIwasnotaloneintheroom.
选项：
A.came
B.appeared
C.arrived
D.reached
答案：
解析：
1、【题目】Constructionoftherailwayshelpedtodevelopthenational_______ofTanzaniaandZambia.
选项：
A.economic
B.economies
C.economics
D.economical
答案：
解析：
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