so it is often difficult to tell whether they are boys or gi
so it is often difficult to tell whether they are boys or gi
提问so it is often hard to tell whether they are boys or girls
so it is often h___to toll whether they are boys or girls
The twins are so much alike that it is difficult to tell one
The twins are so much alike and it is difficult to tell one
The twins are so much_______and it is difficult to tell one
it is not difficult to explain why they are so interested in
They look the same,so it's difficult for me to tell the___be
名词前何时加theHowever,it is open to question whether they are put
However,it is open to question whether they are putting all
There are so many programmes It is difficult for me to decid
It is often difficult to decide what to