At Sportiva Fitness Center, members can enjoy _

【問題】
At Sportiva Fitness Center, members can enjoy _________ in clean and quiet surroundings.

【選択肢】
1.　exercised
http://jibun.atmarkit.co.jp/scenter/ittrain/93_20070808_a1.html

2.　be exercised
http://jibun.atmarkit.co.jp/scenter/ittrain/93_20070808_a2.html

3.　exercising
http://jibun.atmarkit.co.jp/scenter/ittrain/93_20070808_a3.html

4.　to exercise
http://jibun.atmarkit.co.jp/scenter/ittrain/93_20070808_a4.html

問題提供：リアル・イングリッシュ・ブロードバンド株式会社
http://jibun.atmarkit.co.jp/misc/ct.php?id=TR56_RE1
No.09320070808