The moment the World Expo ________ open, the whole audience cheered.
| A．declared | B．has been declared |
| C．had declared | D．was declared |
—Could I use your dictionary?
—I’m sorry it isn’t here. I’d get it for you_______ I could remember who last borrowed it.
| A．expect that | B．now that |
| C．only if | D．even though |
The zoo will have to close ________ the local government agrees to give extra money.
| A．until | B．when | C．unless | D．if |
Wait till I turn on my computer, _____ there is his telephone number.
| A．there | B．where | C．which | D．in that |
You have to pass a driving test_____ you can get a license
A before B until C when D since
What impresses me most is ______ he appears in front of others, he wears a sincere and charming smile．
A．which B．that C．where D that whenever