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题库 / Prep2008E2-SC-232
Although the restaurant company has recently added many new restaurants across the country and its sales have increased dramatically, its sales at restaurants open for more than a year have declined.
the restaurant company has recently added many new restaurants across the country and its sales have increased dramatically, its
the restaurant company has recently added many new restaurants across the country and its sales increased dramatically, its
many new restaurants have recently been opened across the country and its sales increased dramatically, the restaurant company's
having recently added many new restaurants across the country and with its sales increasing dramatically, the restaurant company's
recently adding many new restaurants across the country and having its sales increase dramatically, the restaurant company's
(b) contains bad parallelism. since you're talking about two trends that have taken place simultaneously, you MUST use the same verb tense to describe those trends.
in (b), the first verb (has ... added) is in the present perfect, but the second (increased) is in the simple past. i don't care whether you actually know what these tenses are called, provided that you can recognize that they are different.
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