【单选题】【消耗次数：1】
Mary Kingsley____________ twenty months between 1893 and 1895 exploring West Africa.
①
spend
②
spends
③
spended
④
spent
参考答案：
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相关题目
【单选题】
Mary Kingsley believed that Africans could learn technology____________ and would finally move into the modern world.
①
gladly
②
carefully
③
possibly
④
gradually
【多选题】
------ Why did she visit Africa?------ She went there____________________ .
①
for research work
②
to do research
③
to gather information
④
to collect information
【多选题】
在javaScript中，下列选项中能够得到最后一个“Mary”的是（） var str=“this is Mary.She is Mary”;（选择二项）
①
var i=str.substring(str.indexOf(Mary,13));
②
var i=str.substring(str.indexOf(Mary,13),str.length);
③
var i=str.substring(str.indexOf(Mary
④
var i=str.substring(str.indexOf(Mary),str.indexOf(Mary)+4);
【单选题】
It was in the countryside ________ I spent my childhood.
①
where
②
place
③
when
④
that
【单选题】
Twenty people were _______ wounded in the air crash.
①
quickly
②
wrongly
③
bitterly
④
seriously
随机题目
【单选题】
原子序数为22的Ti4+离子，质量数是48，它的核内质子数、中子数及核外电子数分别为（ ）。
①
48，22，18
②
22，24，18
③
22，26，18
④
18，26，22