446. It may be another fifteen years before spacecraft from Earth again venture to Mars, a planet now known to be cold, dry, and probably lifeless. (A) again venture to Mars, a planet now known to be (B) venture to Mars again, a planet now known for being (C) will venture to Mars again, a planet now known as being (D) venture again to Mars, a planet that is known now to be(A) (E) will again venture to Mars, a planet known now as being 觉得again venture to Mars很怪阿;我觉得应该是 venture to Mars again,如果B后半句known for being 改成known to be是不是更好呢?请指教! |