Tony ________ full marks, but he was so careless as to make a spelling mistake.
| A．could have gained | B．can have gained |
| C．must have gained | D．must gain |
is known to all that the Amber Room belongs to the Russians.
| A．As | B．Which | C．It | D．What |
It was in the office my sister works I met the new manager.
| A．that; that | B．where; where | C．that; where | D．where; that |
I lived in you call “ancient Greece” and I used to write about the Olympic Games a long time ago.
| A．that | B．which | C．what | D．where |
They told me that the museum was well worth .
| A．visiting | B．being visited | C．to visit | D．to be visited |
She came back with her two friends, .
| A．neither of them are doctors | B．neither of them is a doctor |
| C．neither of whom are doctors | D．neither of whom is a doctor |