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( )------_____does he help his mother _____housework?------Twice a week
A.How long;of B.How often;with C.How often;doing D.How long;do
人气:369 ℃ 时间:2019-12-08 07:42:13
解答
选择B------【How often】does he help his mother 【with】housework?------Twice a week他多长时间帮妈妈做一次家务?一周两次how often是对频率提问的,“多久一次”“隔多长时间一次”how long是对时间段提问help ...
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