.... morning /5mC:nIN/ n. 早晨;上午【造句】I go to school by bus in the morning.
早上我坐公交车去上学。【原创神句】Good morning, Li Hua.
早上好,李华。第2组1. hi /haI/ interj.(用于打招呼)嗨;喂【造句】Hi, are you OK? 喂,你还好吗?2. afternoo...
Some Martian rock structures look strikingly like structures on Earth
thatare known ______ by microbes.A. having been createdC. to have been createdC是正确答案,可是A和C都可以表示非谓语的动作先于谓语动词的动作,为什么不能选A?
...
When children first learn to talk, there are some sounds thatthey find _______ to articulate.
A. difficult B. it difficult
如果选B,it是形式宾语吧!所以本题的实质是该不该用形式宾语,对不对?谢谢老师解析!
Sorry I'm late. I _____ have turned off thealarm clock and gone back to sleep again. A: might
B: should
C: can
D: will 本题选A,might have done 在这里是表示对过去情况的推测,但是它也可以表示虚拟,是不是要根据句子的表达意思来确定属于...
Then Needham began his lifelong research,______ ended up creating the
greatest work—Science and Civilisation in China为什么不能填写who呢,先行词是人Needham,Needham开始他毕生的研究,Needham最终创造了巨著——中国科学技术史。
The first textbook______for teaching English as a foreign language came out in the 16th century.
A.having written B.to be written
C.being written &nbs...
Eliza remembers everything exactly as if it ______ yesterday.(2006)A.was happening B.happens C.has happened D.happened选择D如果有选项had happened是否选择had happened更好?请老师赐教!