Question

      and we’ll finish the work ahead of time.

A．An hour earlier	B．If we start an hour earlier
C．Starting an hour earlier	D．Started an hour earlier

Answer 1

A

试题分析：考查特殊句式。本题是由特殊句式：祈使句+连词+陈述句，转换而来。祈使句+连词+陈述句=If引导的条件句+主句。这个句型进一步转换成：名词短语+连词+陈述句。本题：An hour earlier，and we’ll finish the work ahead of time.="If" we state an hour earlier, we’ll finish the work ahead of time.故A正确。
点评：本题是由特殊句式：祈使句+连词+陈述句，转换而来。祈使句+连词+陈述句=If引导的条件句+主句。这个句型进一步转换成：名词短语+连词+陈述句。