More than 10,000 relics, ____ between 5,000 to 3,000 B.C., ___ at Sanxingdui since it was first discovered.
A. dating back to, was dug up B. dating back to, have been dug up
C. dated back to, has been dug up D. dated back to, were dug up
21. He is very strict with others, but he is always blind _____ his own shortcomings.
| A．for | B．to | C．with | D．In |
20. The horse is blind _____ the left eye.
| A．to | B．in | C．for | D．On |
1.—When can we come to visit you?
—Anytime you feel like .
| A．one | B．it | C．so | D．That |
2. ______was known to them all that William had broken his promise______ he would give each of them a gift.
| A．As, which | B．What, that | C．It , that | D．It , which |
3. —How long are you staying there?
— _____depends.
| A．It | B．Anything | C．This | D．Everything |