What chance ______ of taking an earlier plane?
| A．is there | B．there is | C．it is | D．is it |
Jim was not _________ to the club, because at that time he was not a member of it.
| A．allowed | B．permitted | C．admitted | D．promoted |
The government has taken some measures to solve the shortage of electricity, but it may be some time _________ the situation improves.
| A．since | B．when | C．unless | D．before |
According to ________ announcement by Guangzhou Price Bureau, _________ new measures which have been taken recently are expected to cut the operation costs of each taxi driver by 1280 yuan
| A．the; 不填 | B．an; the | C．不填 ; the | D．an; 不填 |
---- You shouldn’t have gone there alone last night.
---- But I __________, because Xiao Wang went there, too.
| A．didn’t | B．had to | C．did | D．should |
__________ I admit that the problems are difficult, I don’t agree that they cannot be solved.
| A．When | B．While | C．As | D．Since |