—Excuse me! Sir, is the swimming pool open all day?
— .Only from 6:00 p.m. to 10:00 p.m.
| A．That’s right | B．Yes, of course | C．Sorry, I’m not sure | D．Sorry, I’m afraid not. |
Does ________ matter if he can’t finish the job on time?
| A．this | B．that |
| C．he | D．it |
— I don’t know whether I should go abroadornot, Mum.
— I leave _______ to your own judgment whether you should do it.
| A．that | B．it |
| C．this | D．what |
_______ is well known _______ Hong Kong returned to China on July 1st, 1997.
| A．It, that | B．As, / |
| C．As, as | D．It, which |
. It used to be thought _____ the Earth was flat.
| A．as | B．when |
| C．since | D．that |
He made _____ known to his friends that he didn’t want to enter politics.
| A．that | B．it |
| C．himself | D．him |