I don't know _____ I am free this afternoon.A whether B if 选
I don't know _____ I am free this afternoon.A whether B if 选
I don’t know if i will be free tomorrow.if i am free,i will
1.I don't know if ________ this afternoon.
I don′t know if he come this afternoon
I don′t know if comes back this afternoon
宾语从句I don't know _ to visit the old man.A whether B if
I don’t know whether you happen _____,but I am going to stud
I don't know whether to take the medicine at once.If I _____
英语翻译33.I don’t know if she ________married whether she _____
i don't know if i ___ free tomorrow .if i ___ free ,i will f
单项选择I don't know if she _____ ,If she _____ ,let me know ,A.
I don't know _____ it will rain tomorrow.A.if B wether 为什么?