—You haven’t been to the USA, have you?— But how I wish to go there again!
–Don’t step on the grass next time, Mike. --________ A. Is that so? B. Don’t worry. C. Sorry, I won’t.
--Which would you like, tea or coffee? --_____ is OK. I really don’t mind. A. Either B. Neither C. Both
Books are made _______ paper while paper is mainly made _______ wood. A. of; of B. from; from C. of; from
-- Do you know everyone from Class One? -- Er…, I know some of ______. A. they B. them C. their
--You have dropped ____ “s” in the word “necessary”. -- Oh, yes, ____ letter “s” should be doubled. A. a, an B. an, an C. an, the