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题库 / Prep2007E1-SC-152
Recent research indicates that two popular arthritis drugs are possibly not as safe as they initially believed.
that two popular arthritis drugs are possibly not as safe as they initially believed
that two popular arthritis drugs may not be as safe as they were initially believed to be
two popular arthritis drugs to possibly not be as safe as it was initially believed
the safety of two popular arthritis drugs may not be as great as it was initially believed
the safety of two popular arthritis drugs not to be as great as they were initially believed to be
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e.g. the safety of X is not as great as…… vs. X is not as safe as……
the latter of these is definitely better.
Drugs are believed to be------被动语态
possibly 和may 之间无明显差别，应从其他splits突破
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