when 和while的练习4) a) ______ Jenny was in Form One,her brother went to the USA.4) b) Jenny was in Form One ______ her brother went to the USA.为什么a用while,不用when?as是不是指同一个人同时做两个动作的时候用?

来源:学生作业帮助网 编辑:作业帮 时间:2024/09/09 12:47:59
xSMOQ+oK2ҦK馋nhndMр q7P|h*#*4Di0_o7PmuιNlq&5Sstnv/"D!uX&)-I j!1teNOxbatc,-wo_<7.T:uz5i7[-ALNIucVK]f5X/RǤ)v:ɢZТ^ 5qYX<dR4E; BjCtq&+ ɺT=?ӁMfhYZKUI⭹ϙ 3 x%7eoiN ȝ"ZR <-%YakظTdA[E ǚzn'&K Y+gsov?t{WoRT9-@.2e {蜌TsM~6'~$@hm~ZJ}rcDTjԫ_٘X} *~; rpd\lDNa*qrBc8mܜ7tɫp5bj,\Ԍn%rw"uf1>^rt.f1ŽY2WpC` 6wsגf:zx`G 0mC2T0̎.v|L.K!x:I 'vp>ڹ~I~v