Days later, my brother called to say he was all right, but ________ say where he was. 

—Where will you start your work after graduation?—Mmm, it's not been decided yet.I________continue my study for a higher degree.

We _______ play on this road. There is too much traffic. 

The Science Museum interests me a lot. I enjoy        there. 

Some “healthy” habits, such as shower every day and sitting on the loo, _____ be bad for you.