---Do you think the weather will be all right this summer?
---No, _______ we’re lucky. The newspaper says it’ll be very hot anyway.
| A．unless | B．if | C．though | D．as |
Hearing that most of the members voted against her, she ______ a smiile.
| A．wore | B．managed | C．performed | D．controlled |
It is a strange phenomenon that some young people today think it is their parents’responsibility to earn money and_______ to spend it.
| A．them | B．they | C．their | D．theirs |
.. Department of Homeland Security and CIA produced ______ joint report on Monday warning that ______ next 911 could in fact occur on ______ different date.
| A．the; a; the | B．a; the; a | C．/; the; the | D．a; /; the |
Every ________ had been made in order to save the boy with the H5N1 bird flu, but all in vain. He died at last.
| A．effect | B．affect | C．infect | D．effort |
_________ the government agrees to give extra money, the theatre will have to close.
| A．Until | B．Unless | C．Since | D．While |