Sarah decides to move to Hainan because she thinks that the air there is much fresher than ___ here.
| A．one | B．those | C．ones | D．that |
I am amazed at someone so rich _____ difficulty in paying what he owes you.
| A．as to have | B．who has no | C．that he has no | D．having |
It doesn’t matter how much loss we have suffered; just avoid _____ the mistake again.
| A．to make | B．being made | C．having made | D．making |
Just as sound travels through the air in waves, electricity travels through the air in ______ radio waves.
| A．what is called | B．which is called | C．what it is called | D．which it is called |
It was _____ of Jack to turn off the radio when I was sleeping in the bedroom.
| A．considerable | B．considerate | C．disturbing | D．sensible |
A student will be immediately dismissed if he/ she is found _____ in school.