—What has made him upset recently? —_______ alone to face a troublesome milk case.
---- Guess what! I have got “A” for my term paper. ---- Great! You ____ read widely and put a lot of work into it.
. Although surprised, she pretended to be calm____ nothing had happened.
Washington, a state in the United States, was named _____ one of the greatest American president.
Was it______ Mike’s careless ____ your keys were lost?
. --- It remains to be seen _____ the plan can be carried out. --- It is up to you.