----------- did you watch TV?—About two hours.A.How far\x05\x05B.How often\x05\x05C.How soon\x05\x05D.How long
问题描述：
----------- did you watch TV?—About two hours.
A.How far\x05\x05B.How often\x05\x05C.How soon\x05\x05D.How long
答
D1.how long指多长时间,主要用来对一段时间(如three days,four weeks 等)提问：“How long did he stay here?” “About two hours.” “他在这儿呆了多久?”“大约两小时.”2.how often指每隔多久,主要用来对频度副...