6. She spends two hours________ the violin every day.
A.play
B.plays
C.to play
D.playing
第1题:
A.play.mp3
B.play.avi
C.play.ppt
D.play.mpg
第2题:
Each life jacket light that has a non-replaceable power source must be replaced ______.
A.every 6 months after initial installation
B.every 12 months after initial installation
C.every 24 months after initial installation
D.on or before the expiration date of the power source
第3题:
1、竞技体育演进过程经历的阶段是()。
A.游戏(game)→玩耍(play)→竞技体育(sport)
B.玩耍(play)→游戏(game)→竞技体育(sport)
C.竞技体育(sport)→玩耍(play)→游戏(game)
D.竞技体育(sport)→游戏(game)→玩耍(play)
第4题:
A. Every 5 minutes
B. Every 90 seconds
C. Every 60 seconds
D. Every 30 seconds
第5题:
竞技体育演进过程经历的阶段是
A.游戏(game)→玩耍(play)→竞技体育(sport)
B.玩耍(play)→游戏(game)→竞技体育(sport)
C.竞技体育(sport)→玩耍(play)→游戏(game)
D.竞技体育(sport)→游戏(game)→玩耍(play)
第6题:
竞技体育演进过程经历的阶段是()。
A.游戏(game)→玩耍(play)→竞技体育(sport)
B.玩耍(play)→游戏(game)→竞技体育(sport)
C.竞技体育(sport)→玩耍(play)→游戏(game)
D.竞技体育(sport)→游戏(game)→玩耍(play)