Which one is the correct structure of Present Perfect Continuous tense.
A. Subject + have/has + v. -ing
B. Subject + have/has + been + v. -ing
C. Subject + been + have/has + v. -ing
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Articles › ViewWhere did you put __________ shampoo?
A. a
B. an
C. the
D. –
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In most developed countries,it is not necessary for people to boil water before they drink it.
A. In most developed countries,people ought to boil water before they drink it.
B. In most developed countries,people must boil water before they drink it.
C. In most developed countries,people needn’t boil water before they drink it.
D. In most developed countries,people mustn’t boil water before they drink it.
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We will either go to New York _____ Los Angeles for our trip.
A. nor
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C. not
D. and
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He had a ___ for news.
a. knows
b. nose