【单选题】【消耗次数：1】
9.“Has he seen this film?” “Yes. He _______ it several days ago.”
①
saw
②
has seen
③
had seen
④
was seeing
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【单选题】
“ Has he seen this film ? ” “Yes. He _________ it several days ago.”
①
saw
②
has seen
③
had seen
④
was seeing
【单选题】
“ Has he seen this film ? ” “Yes. He______ it several days ago.”
①
saw
②
has seen
③
had seen
④
was seeing
【单选题】
The students union has seen a growing ( ) to over several hundred.
①
crowd
②
public
③
population
④
membership
【单选题】
He looked at the little girl, _________ where he had seen her before.
①
wondering
②
wondered
【单选题】
Zhang Hua opened the door .There______ he had never seen before.
①
did a girl stand
②
stood a girl
③
a girl stood
④
a girl did stand
【单选题】
We havent seen such a beautiful film ______.
①
since four years
②
for the past four years
③
four years ago
④
from the past four years
【单选题】
Many people who had seen the film were afraid to go to the forest when they remembered the scenes ___ people were eaten by the tiger.
①
that
②
by which
③
which
④
in which
随机题目
【单选题】
以下说法正确的是（ ?）?。
①
钢筋混凝土结构耐久性和耐火性都较好，但其结构自身重力较大
②
钢筋混凝土结构可模性和整体性较好，隔热性和隔声性也好
③
钢筋和混凝土两种材料虽材性不同，但能共同作用的原因是二者的线膨胀系数接近
④
钢筋和混凝土能够协同工作主要原因是钢筋和混凝土这两种材料材性相同
【单选题】
当建筑采用混凝土结构，下列材料选择中（ ）有错误？
①
预应力混凝土结构的混凝土强度等级不低于C30
②
当采用HRB400和RRB400级钢筋时，及重复荷载时，混凝土不得低于C25
③
当采用钢绞线、钢丝、热处理钢筋作预应力筋时，混凝土不宜低于C40
④
钢筋混凝土结构的混凝土不应低于C15；当采用HRB335级钢筋时，混凝土不宜低于C20