The number 9.11 is a special number, ____, I think, that will be remembered by the Americans forever.
| A．what | B．it | C．which | D．one |
This afternoon Mr Smith will give us a report on nuclear energy , which is well worth _____.
| A．listening | B．listening to | C．being listened | D．being listened to |
— Bob isn’t feeling well. He has caught a cold.
— Everybody seems to have ____ because of the changeable climate in spring here.
| A．that | B．it | C．one | D．another |
—-I’m sorry , but I’m afraid I must be off now.
— ____ , Mr Smith. And have a nice day!
| A．So long | B．So much | C．So well | D．So far |
____ is amazing that such a yo
ung girl can be so good at shooting.
| A．What | B．It | C．This | D．That |
Water, which seems so simple and common, is makes life possible.
| A．what | B．that | C．which | D．how |