______,Thoms Edison invented a device to transmit a special signal while he slept.A. he was a night telegraoh operator B. That he was a night telegraphe operatorC. As a night telegraph operator D. whereas a night telegraoh operator这道题独立结构,选择C应该没有错误的...
On Sunday afternoon he went to the National Gallery.We are very sorry to drag you here on a Sunday afternoon.on Sunday afternoon 和 on a Sunday afternoon 究竟有何区别呢?另外,如果将不定冠词a换成定冠词the, 即on the Sunday afternoon是不是特指某个星期天的下午呢...
...的句子了,而是are learning
online这个谓语动词的词组了。It's important to clean our teeth everyday, which
can help us keep healthy.这个句子想用后面的定语从句表达每天刷牙可以帮助我们保持健康,但细究的话which就指代前一句的to do 不定式了。...