单项选择题
A．for that B．at that C．with that D．in that
A man escaped from the prison last night. It was a long...
单项选择题A man escaped from the prison last night. It was a long time（）the guards discovered what had happened.
A．before B．until C．since D．when
（）he finishes his task, the team leader doesn't mind（）a...
单项选择题（）he finishes his task, the team leader doesn't mind（）at the work site.
A．So long as ... what time he arrives B．So far as ... when he arrives C．As long as ... however late does he arrive D．Provided ... no matter how long does he arrive
We could not have fulfilled the task in time if it（）for...
单项选择题We could not have fulfilled the task in time if it（）for their help.
A．was not B．is not C．had not been D．has not been
