怎么选择_____ the help of their group, we would not ha

__________ the help of their group，we would not have succeeded in the investigation．A.Besi

______ the help of my English teacher, I would not have succeeded in the speech contest.A．

— Who is John Smith？ — He is the speaker____________ heard last week.A.which we would ha

This method saved half the labor that______to combat the insects separately.A．would not ha

What did the writer explain at the end of the letter?Why their reply would not ______.

We could not have fulfilled the task in time if it ______for their help.A.was notB.is notC