Leave your key with your neighbor you lock yourself out one day

We cannot figure out _____ quite a number of insects, birds, and animals are dying out [ ]

It is often _____ that an American starts a speech with a joke,while a Japanese has an apology to make[ ]

We’re doing a lot to protect ourenvironment, but it is not good enough. —Sowe should try______ to look after it.

Now_____ in your account of the news story.I dare say it’s really a tough job.