We understand _______small changes to our land can have a big impact upon our environment __________ as we know is vulnerable enough.
So loudly _____ that ____ hear her clearly.
Only when the meeting was over___ go back to meet his friend.
Only in this way ____ make progress in your English.
She is not fond of cooking, ____ I.
—Have you ever seen anything like that before? —No, _____ anything like that before.