I hear they’ve promoted Tom, but he didn’t mention _____ when we talked on the phone. [ ]

We’ll have a____ holiday. What about going to Tibet— Sounds great.

Perhaps this is the only market ____you can get such cheap goods

I feel it hard to keep up with myclassmates in study and sometimes I lose heart. But whenever I want to ________, my teacher always encourages me to work harder.

______ is the ruler —______ two dollars.