关于be busy doingthe money will be used to keep a space vehicle on the moon busy ( ) back to the earth photographs and other information about the surface of the moon.A to send B being sent C to be sent D sending这道题结构是什么啊,我选
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关于be busy doingthe money will be used to keep a space vehicle on the moon busy ( ) back to the earth photographs and other information about the surface of the moon.A to send B being sent C to be sent D sending这道题结构是什么啊,我选
关于 be busy 的词组
be busy with sthI'm busy with swimming.I'm busy with going swimming.区别
关于一个疑惑的英语短语的区别be busy with doing sth和be busy doing sth区别?
BE busy with 还是 BE busy to
be busy with 后加名词,后面可以加动名词吗?比如说,i'm busy with doing my homework.还是只能说i'm busy doing my homework.
be busy in 用法
be busy doing造句
be busy with sth
be busy with
be busy with sth
翻译:be busy shopping
She()(be)always busy
be busy with英译汉
be busy中文意思
be busy是什么结构
be busy 加什么
be+busy+doing=be+( )+(