Duringthelastthreedecades,thenumberofpeopleparticipati...

問題詳情：

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

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

【回答】

B

知識點：動詞時態與語態

題型：選擇題