Mr. Green has made another wonderful discovery, ______ great importance to science.
— My cat’s really fat.— You ______ have given her so much food.
— How about Christmas evening party?— I should say it was success.
Misunderstandings_______ from short of communication, unless______ properly, may lead to serious problems.
________ where we can stay for a week.
Carbon dioxide(CO2)_______ from burning fuels is the most common of the so-called greenhouse gases.