I have never been to Beijing, but it is the place _____.
| A．that I want to visit it most | B．where I’d like to visit |
| C．in which I’d like to visit | D．I most want to visit |
Helen was much kinder to her youngest son than to the others， _____，of course，made the others envy him.
| A．who | B．that | C．what | D．which |
Boris has brains. In fact，I doubt whether anyone in the class has ____IQ.
| A．a high | B．a higher | C．the higher | D．the highest |
Yesterday Jane walked away from the discussion. Otherwise，she ____ something she would regret later.
| A．had said | B．said | C．might say | D．might have said |
An awful accident_____，however，occur the other day.
| A．does | B．did | C．has to | D．had to |
Greenland， _____ island in the world，covers over two million square kilometers.
| A．it is the largest | B．that is the largest | C．is the largest | D．the largest |