It is a well-established fact _____ the earth travels round the sun.
A: That
B: Which
C: What
D: why
A: That
B: Which
C: What
D: why
举一反三
- It’s well known ______ the earth moves round the sun.
- There is no doubt ______ the earth goes round the sun. A: whether B: that C: if D: why
- —What did he say? I couldn't hear him. — [u] [/u] . 未知类型：{'label': 'questionDesc', 'content': '请选择正确答案。', 'isMemberControl': 0, 'type': 181} A: He says the earth goes round the sun. B: He said the earth goes round the sun. C: He said the earth went round the sun. D: He says the earth went round the sun.
- ____ is known to all, the moon travels round the earth once a month. A: It B: As C: That D: What
- The fact ____ she works hard is well known to us all. A: that B: what C: why D: which