I hardly understand ____he has told me .为什么是what,Dont talk about such things ____you are not

I hardly understand ____he has told me .为什么是what,Dont talk about such things ____you are not
I hardly understand ____he has told me .为什么是what,
Dont talk about such things ____you are not sure,A.which B,that.C.as D.those
Is this the factory __you visit the other day A .that B where C .in which D ,the one
He paid the boy 10 for washing ten windows ,most of __hadn't been cleaned for at least a year,
A ,these B ,those C ,that ,D .which
The doctor is going to Europe next year.
A．whice the manager is talking to B ,who the manager is talking
C.the manager is taling to him D .the manager is talking to
What do you think of the report on the UFOs?
Great.Many students were interested in it and they kept on standing ____the end of the meeting.
until in at by