Because of my poor English I’m afraid I can’t make myself ____.
---Are you going to Tom’s birthday party?--- _______. I might have to work.
We have no other ways but ______ here for him to come.
The traffic rule says that the children ______less than 40 pounds and under the age of four must be in a child safety seat.
The Gate of Fortune, from _____ top tourists can enjoy a wonderful view, has attracted lots of visitors.
--- I wonder how much you charge for your service. --- The first two are free ______ the third costs $30.