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【单选题】
Mary often helped her mother ________ out the trash last year.A.
takes
B.
took
C.
taking
D.
take
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举一反三
【单选题】该句从句是? Although we were worried about Jason,we didi not want to show our nervousness.
A.
show our nervousness.
B.
we didi not want to show our nervousness.
C.
Although we were worried about Jason.
【简答题】When my two children were young, we took a trip to Disneyland with their grandma. Although the park is about an hour car ride from our home, we decided to spend the night in a hotel, so we could spend...
【单选题】We were in the same college, () was male-only at that time.
A.
that
B.
which
C.
it
D.
although
【简答题】( )是带有循环运行梯级,用于向上或向下倾斜输送乘客的固定式电力驱动设备;
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