I don't know和.What is it?(合并为一句)
I don't know和.What is it?(合并为一句)
I don't know it.What was he doing last night?(合并为一句) I don't
I don't know .What book should I buy for my son.(合并为一句)
what does it mean?l don"t know.(合并为一句)l don"t ___ ___ ___
I don't know what is it 和 I don't know what it is
I don't know her age.How old is she?合并为一句
When will they come here ? I really don't know .(合并为一句)
will he come back on Sunday?I don't know.(合并为一句)
I don't know .when did he go there yesterday?合并为一句
How did she come here yesterday?I don't know.(合并为一句)
She doesn't know.What is electricity?(合并为一句)
What does he like wearing I don't know.(合为一句) I don't know _