He was about to tell me the secret _________ someone patted him on the shoulder.
| A．as | B．until | C．while | D．when |
Even students withintelligence can be excellent students after improving their study habits.
| A．average | B．unusual | C．splendid | D．popular |
With exportsan important role in its economic growth now, this province has been affected by the global economic downturn.
| A．played | B．to play | C．playing | D．play |
—Will you go to the party tomorrow， Xiao Hai？
—No, ____ I was invited to.
| A．as long as | B．so far as | C．as if | D．even if |
Only when the firefighters put off the firewhat great damage it caused.
| A．we had realized | B．had we realized | C．we realize | D．did we realize |
—Is there any possibilityyou could pick me up at the airport?
—No problem.
| A．when | B．that | C．whether | D．what |