Duringthelastthreedecades,thenumberofpeopleparticipatin...

問題詳情：

During the last three decades, the number of people participating in physical fitness programs ___ sharply.

  increasing     B. has increased      C. had increased      D. will be increasing

【回答】

B

知識點：現在完成時及其被動式

題型：選擇題