The roof leaks in a heavy rain. 下大雨时屋顶漏水。Heavy rains hindered traffic on the highway. 大雨阻碍了公路交通。The river rose after the heavy rain. 大雨过后河水上涨了。这三个句子,为什么一个用 a heavy rain,一个用 heavy rains,一个用 the heavy rai...
In the park, some old people were seen ______ on the benches, chatting happily.A. having seated B. to seat C.seating D. seated答案为 D。B 不行,为什么?请顺便解释一下seat 的用法,以及与 sit 的区别,说 seat 是及物动词,它就得用 seated 的形...
有这样一道改错题:In small village like this, everybody knows everybody else.参考答案是在 small 前面加不定冠词a,我的改法是将 village 改为复数 villages,但老师没有给分,理由是后面接的 like this 表单数,所以前面也要用单数。请专家老师...
...at the technological advance that had the greatest impact on everyday life in the early twentieth century was the telephone. This is not surprising given the effect devices, such as the telephone , have had on social relationships.请教老师,第二句的given如何理解, 该句结构如何分...
Suppose a collector with a bill for paints, paper and canvas should, in traversing this route, suddenly meet himself coming back, without a cent having been paid on account.请老师分析一下without a cent having been paid on account语法结构,其中,having been paid on account是现在分...