自己不太确定,并说明理由.1.they have been in the library since___ A a lo
自己不太确定,并说明理由.
1.they have been in the library since___ A a long time ago B it had been open C eight o'clock D two hours
2.this is the first time I ___here A was B have been Ccame D am coming
3.Miss Green isn't in the office.she ___to the library.A has gone B went C will go D has been
4.It____ be my uncle.he has gone to beijing.A must B can C mustn't D can't
1.they have been in the library since___ A a long time ago B it had been open C eight o'clock D two hours
2.this is the first time I ___here A was B have been Ccame D am coming
3.Miss Green isn't in the office.she ___to the library.A has gone B went C will go D has been
4.It____ be my uncle.he has gone to beijing.A must B can C mustn't D can't
赞 共回答了13个问题采纳率：84.6% 举报
CBAD1：a作壮语前面不加介词,b since加从句 从句用一般过去时,c对 ,d since加时间点 for加一段时间2：固定用法 this is the first time i have done sth3：a对,b对现在造成影响,要用现完时态c显然不对 将要去的意思d...
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a 表示去了某地 还没有回来 或还在路上 d 表示曾经去过某地 亲 望采纳
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