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

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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

______ he finishes his task, the team leader doesn't mind ______ at the work site.

he finishes his task, the team leader doesn't mind at the work site.