--- ______ a simple meal like this costs so much? --- We have included in your bill the cost of the cup you broke just now.
If they _______ what I was saying, they'd know what I was talking about.
He ______ the math problem, his classmates wanted to help him out.
The little girl ________ to be a good singer if she gets good training in a music school.
I tried to ______ in my speech we were all grateful for his help.
Buses have routes. They ________ and ________ people at different places on the routes.