高一英语单词填空
1.It a____ everybody that he experienced zero gravity during a flight.
2.The moon can never be anything but a s______ of the earth.
3.Whether global warming will affect the earth too much is a ______(关心的话题) for everybody on earth.
4.There is an a_____ of peace and calm in the area.
单句改错
1.Will Mr Smith please make yourself known by us now?
2.It remains a question that the other astronomers accept his idea.