The leaders from some of the countries suggested the nuclear weapon about Iran worth paying attention _______ at the international conference.
| A．to be discussed | B．to being discussed | C．to discuss | D．to discussing |
These seats are __________ for the elderly and disabled.
| A．observed | B．deserved | C．preserved | D．reserved |
Mr. and Mrs. White are determined to give their children ____ first-rate education, though they are both out of ____ work now.
| A．a, the | B．the, the | C．a, / | D．the, / |
________ for the free ticket, I would not have gone to the theatre so often.
| A．Were it not | B．Had it not been | C．Had not it been | D．Were not it |
________ as he was, he looked quite calm in that difficult situation.
| A．A child | B．The child | C．Children | D．Child |
“Sorry, sorry…,” he whispered, ________ talking to himself.
| A．while | B．even if | C．as if | D．when |